Refactor: Eliminate duplicate types - Use handler types directly

- Deleted templates.CollectionDetailData - using templates.CollectionData everywhere - Deleted templates.BookData - using handlers.BookInfo everywhere - Deleted templates.DeviceData - using handlers.DeviceInfo everywhere - Deleted templates.ProgressItemData - using handlers.ProgressWithMedia everywhere - Deleted templates.convertDevices() helper - Use handlers types directly in templates - Enhanced handlers.ProgressWithMedia with device metadata fields - Added handlers.getDeviceIcon() helper - Updated all templates to import handlers package - Cleaned up unused imports This aligns codebase with templ's design philosophy (use Go types directly, no parallel type system)
2026-02-12 19:48:07 -05:00
parent b5745e1554
commit 2a64ca423f
15 changed files with 639 additions and 168 deletions
@@ -42,6 +42,7 @@
 - `internal/router/device.go` - Add regenerate token route
 - `internal/handlers/devices.go` - Add regenerate token handler
 - `templates/devices.templ` - Add copy/regenerate UI
+- `web/src/device-management.ts` - Add device management TypeScript
 - `bruno/sync-kobo/api.bru` - Add URL path token requests
 - `bruno/devices/regenerate-*.bru` - New token regeneration test files
 - `bruno/opds/*-*.bru` - New OPDS authentication test files
@@ -86,14 +87,6 @@ SET
    updated_at = NOW()
 WHERE id = $1
 RETURNING *;
-
-- name: RevokeDevice :exec
-UPDATE devices
-SET
-    auth_token = NULL,
-    sync_enabled = false,
-    updated_at = NOW()
-WHERE id = $1;
 ```

 **Verification**: Run `go build ./...` after adding this query to ensure sqlc generates the new function correctly.
@@ -504,24 +497,45 @@ func (h *DeviceHandler) RegenerateDeviceToken(c echo.Context) error {
 3. Add "Regenerate Token" button for each device
 4. Add JavaScript functions for copy and regenerate

-#### 1.6.1 Update DeviceData Struct
-
-**Location**: Find `DeviceData` struct (near top of file)
-
-**Current struct** (lines vary, find structure):
+**ADD FIELD** to struct:

 ```go
 type DeviceData struct {
-	ID             string
-	DeviceName     string
-	DeviceType     string
-	LastSync       string
-	LastSeen       string
-	SyncEnabled    bool
-	AutoSync       bool
-	SyncFrequency  int
+	ID            string
+	DeviceName    string
+	DeviceType    string
+	LastSync      string
+	LastSeen      string
+	SyncEnabled   bool
+	AutoSync      bool
+	SyncFrequency int
 	CreatedAt      string
 	DeviceMetadata json.RawMessage
+	AuthToken      string // NEW: Device API key for authentication
+}
+```
+
+#### 1.6.3 Update Collection Detail Template
+
+**File**: `templates/collection.templ`
+
+**Location**: Line 213 (function signature)
+
+**Current**:
+```templ
+templ CollectionDetail(user User, collection CollectionDetailData, books []BookData) {
+```
+
+**CHANGE** (use handlers.BookInfo):
+
+```templ
+templ CollectionDetail(user User, collection CollectionData, books []handlers.BookInfo) {
+```
+
+**ADD FIELD** to struct:
+
+```go
+	AuthToken      string // NEW: Device API key for authentication
 }
 ```

@@ -872,7 +886,7 @@ put {
 docs {
  ## Regenerate Device Token

-  Regenerates the auth token for a device, invalidating the old token immediately.
+  Regenerates auth token for a device, invalidating old token immediately.

  **Method:** PUT

@@ -899,7 +913,7 @@ docs {
  **Important Notes:**
  - Old token stops working immediately
  - Device must be updated with new token to resume syncing
-  - No data loss - device ID remains the same
+  - No data loss - device ID remains same

  **Example Response:**
  ```json
@@ -911,14 +925,24 @@ docs {
      "device_name": "My Kobo Clara",
      "device_type": "kobo",
      "sync_enabled": true,
-      "auto_sync": true
+      "auto_sync": true,
+      "sync_frequency_minutes": 5,
+      "created_at": "2026-02-12T10:00:00Z",
+      "device_metadata": "{...}"
    },
    "sync_urls": {
      "sync_url": "http://localhost:8765/api/sync/kobo/dev_new_token",
-      "markup": "http://localhost:8765/api/sync/kobo/dev_new_token/markup"
+      "markup": "http://localhost:8765/api/sync/kobo/dev_new_token/markup",
+      "bookmark": "http://localhost:8765/api/sync/kobo/dev_new_token/bookmark",
+      "init": "http://localhost:8765/api/sync/kobo/dev_new_token/v1/initialization"
    }
  }
  ```
+
+  **Important Notes:**
+  - Old token stops working immediately
+  - Device must be updated with new token to resume syncing
+  - No data loss - device ID remains same
 }
 ```

@@ -0,0 +1,474 @@
+# Type Duplication Refactoring Plan
+
+**Document Purpose**: Consolidate duplicate type definitions across templates/ and handlers/ packages to align with templ's design philosophy and reduce maintenance burden.
+
+**Status**: Planning Phase
+**Last Updated**: 2026-02-12
+**Separation from**: IMPLEMENTATION_EXACT.md (this is independent refactoring)
+
+**Core Principle**: **API wins** - When there's ambiguity between template types and API/handler types, the API/handler types take precedence.
+
+---
+
+## Executive Summary
+
+**Problem**: Codebase maintains parallel type systems:
+- `templates/types.go` - Template-specific types
+- `handlers/*.go` - API response types
+
+**Core Principle**: **API wins - when in doubt, API/handler types take precedence**
+
+### Why "API wins"?
+
+1. **API is public contract**: Handler types define your public API surface - these are more stable
+2. **Templates are presentation**: HTML templates can format any Go type - they're flexible
+3. **Single source of truth**: One authoritative type definition vs two parallel definitions
+4. **Json serialization**: Handler types already have `json:"..."` tags for API responses
+5. **Future API clients**: If you add mobile apps or CLI tools, they need handler types anyway
+
+### Trade-offs
+
+**Pro**: Simpler codebase, one type to maintain, automatic API/HTML consistency
+**Con**: Templates may have unused fields visible in scope (acceptable - templ handles this well)
+
+**Impact**: 
+- ~40 lines of duplicate type definitions
+- Unnecessary conversion functions
+- Maintenance burden (update 2 places for 1 change)
+- Violates templ's design philosophy
+
+**Solution**: Use handler types directly in templates, eliminate template-specific duplicates.
+
+---
+
+## Current State Analysis
+
+### Duplicates Found
+
+| Template Type | Handler Type | Overlap | Action |
+|---------------|---------------|----------|--------|
+| `DeviceData` | `DeviceInfo` | 90% | **DELETE** DeviceData |
+| `BookData` | `collections.BookInfo` | 100% | **DELETE** BookData |
+| `CollectionDetailData` | `CollectionData` | 100% | **DELETE** CollectionDetailData |
+| `ProgressItemData` | `ProgressWithMedia` | 70% | **MERGE** (different fields) |
+| `QueueItemData` | `QueueItemResponse` | 60% | **KEEP** (template uses subset) |
+
+### Already Using Handler Types (Good Patterns)
+
+✅ `Conflicts` template uses `handlers.ConflictDetailResponse`
+✅ `Queue` template uses `handlers.QueueItemResponse`
+
+**This is the pattern we want everywhere.**
+
+---
+
+## Refactoring Plan
+
+### Phase 1: Eliminate Complete Duplicates
+
+#### 1.1 Delete CollectionDetailData
+
+**Files to Modify**:
+- `templates/types.go` (lines 26-32) - DELETE struct
+- `templates/collection_rules.templ` (line 3) - Change signature
+- `templates/collections.templ` (line 213) - Change signature
+
+**Changes**:
+
+**Delete** from `templates/types.go`:
+```go
+type CollectionDetailData struct {
+    ID          string
+    Name        string
+    Description string
+    Color       string
+    Icon        string
+}
+```
+
+**Update** `templates/collection_rules.templ:3`:
+```templ
+// BEFORE:
+templ CollectionRules(user User, collection CollectionDetailData) {
+
+// AFTER:
+templ CollectionRules(user User, collection templates.CollectionData) {
+```
+
+**Update** `templates/collections.templ:213`:
+```templ
+// BEFORE:
+templ CollectionDetail(user User, collection CollectionDetailData, books []BookData) {
+
+// AFTER:
+templ CollectionDetail(user User, collection templates.CollectionData, books []collections.BookInfo) {
+```
+
+**Test**: `go test ./templates/...` after template regeneration
+
+---
+
+#### 1.2 Delete BookData
+
+**Files to Modify**:
+- `templates/types.go` (lines 34-39) - DELETE struct
+- `templates/collections.templ` (line 213) - Change books param
+
+**Changes**:
+
+**Delete** from `templates/types.go`:
+```go
+type BookData struct {
+    MediaItemID    string
+    Title          string
+    Author         string
+    CoverImagePath string
+}
+```
+
+**Update** `templates/collections.templ:213`:
+```templ
+// BEFORE:
+templ CollectionDetail(user User, collection templates.CollectionData, books []BookData) {
+
+// AFTER:
+templ CollectionDetail(user User, collection templates.CollectionData, books []collections.BookInfo) {
+```
+
+**Test**: View collection detail page, verify books display correctly
+
+---
+
+#### 1.3 Delete DeviceData and ConvertDevices
+
+**Files to Modify**:
+- `templates/types.go` (lines 48-57) - DELETE struct
+- `templates/devices.templ` (line 3) - Change signature
+- `internal/router/helpers.go` (lines 46-67) - DELETE function
+- `internal/router/frontend.go` (lines 161-169) - Remove conversion
+
+**Changes**:
+
+**Delete** from `templates/types.go`:
+```go
+type DeviceData struct {
+    ID            string
+    DeviceName    string
+    DeviceType    string
+    SyncEnabled   bool
+    AutoSync      bool
+    SyncFrequency int32
+    LastSync      string
+    LastSeen      string
+}
+```
+
+**Delete** from `internal/router/helpers.go`:
+```go
+func convertDevices(deviceInfos []handlers.DeviceInfo) []templates.DeviceData {
+    // ... entire function (lines 46-67)
+}
+```
+
+**Update** `templates/devices.templ:3`:
+```templ
+// BEFORE:
+templ Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegistrationData) {
+
+// AFTER:
+templ Devices(user User, devices []handlers.DeviceInfo, pendingRegistrations []PendingRegistrationData) {
+```
+
+**Update** `templates/devices.templ` template logic:
+
+Find these patterns and update:
+```templ
+// BEFORE:
+if device.LastSync != "" {
+    <span>{ device.LastSync }</span>
+}
+
+// AFTER:
+if device.LastSync != nil {
+    <span>{ device.LastSync.Format("2006-01-02 15:04") }</span>
+}
+```
+
+**Update** `internal/router/frontend.go:161-169`:
+```go
+// BEFORE:
+deviceData, err := cfg.DeviceHandler.GetDevicesData(c)
+if err != nil {
+    return c.HTML(http.StatusInternalServerError, "Error loading devices")
+}
+pendingData, err := cfg.DeviceHandler.GetPendingRegistrationsData(c)
+if err != nil {
+    return c.HTML(http.StatusInternalServerError, "Error loading pending")
+}
+deviesList := convertDevices(deviceData)
+pendingList := convertPending(pendingData)
+
+// AFTER:
+deviceData, err := cfg.DeviceHandler.GetDevicesData(c)
+if err != nil {
+    return c.HTML(http.StatusInternalServerError, "Error loading devices")
+}
+pendingData, err := cfg.DeviceHandler.GetPendingRegistrationsData(c)
+if err != nil {
+    return c.HTML(http.StatusInternalServerError, "Error loading pending")
+}
+// No conversion - use handler data directly
+```
+
+**Test**: Devices page renders correctly with proper date formatting
+
+---
+
+### Phase 2: Eliminate Remaining Template Types
+
+#### 2.1 ProgressItemData → Use ProgressWithMedia
+
+**Current Issue**:
+- `handlers.ProgressWithMedia` exists as API response type
+- `templates.ProgressItemData` duplicates it with minor variations
+
+**Decision**: **API wins** - Use `handlers.ProgressWithMedia` everywhere
+
+**Files to Modify**:
+- `internal/handlers/progress.go` - Update `ProgressWithMedia` struct
+- `templates/types.go` - DELETE `ProgressItemData`
+- `templates/progress.templ` - Use `handlers.ProgressWithMedia`
+
+**Changes**:
+
+**Add fields to** `internal/handlers/progress.go:ProgressWithMedia`:
+```go
+// ADD fields to existing struct:
+type ProgressWithMedia struct {
+    MediaItemID    uuid.UUID       `json:"media_item_id"`
+    Title          string          `json:"title"`
+    Author         string          `json:"author"`
+    CoverImagePath string          `json:"cover_image_path"`
+    Percentage     float64         `json:"percentage"`
+    CurrentPage    int32           `json:"current_page"`
+    TotalPages     int32           `json:"total_pages"`
+    LastReadAt     time.Time       `json:"last_read_at"`
+    Epubcfi        string          `json:"epubcfi"`
+    LastSyncDevice string          `json:"last_sync_device"`
+    DeviceName     string          `json:"device_name,omitempty"`      // ADD
+    DeviceType     string          `json:"device_type,omitempty"`      // ADD
+    DeviceIcon     string          `json:"device_icon,omitempty"`      // ADD
+}
+```
+
+**Update** `internal/handlers/progress.go:GetAllProgress()` to populate new device fields.
+
+**Delete** from `templates/types.go` (lines 99-112):
+```go
+type ProgressItemData struct {
+    // ... delete entire struct
+}
+```
+
+**Update** `templates/progress.templ:3`:
+```templ
+// BEFORE:
+templ Progress(user User, progressData []ProgressItemData) {
+
+// AFTER:
+templ Progress(user User, progressData []handlers.ProgressWithMedia) {
+```
+
+**Test**: Progress page displays device names and icons
+
+**Delete** from `templates/types.go` (lines 99-112):
+```go
+type ProgressItemData struct {
+    // ... delete entire struct
+}
+```
+
+**Update** `templates/progress.templ:3`:
+```templ
+// BEFORE:
+templ Progress(user User, progressData []ProgressItemData) {
+
+// AFTER:
+templ Progress(user User, progressData []handlers.ProgressWithMedia) {
+```
+
+**Test**: Progress page displays device names and icons
+
+---
+
+### Phase 3: Update Get*Data Functions
+
+**Issue**: Several handler functions return handler types but aren't used directly by templates due to conversion layer.
+
+**Files to Modify**:
+- `internal/router/frontend.go` - Remove conversions
+
+**Changes**:
+
+**Devices** (already done in Phase 1.3):
+- `GetDevicesData()` returns `[]handlers.DeviceInfo`
+- Template uses directly
+
+**Progress**:
+```go
+// frontend.go - update progress route
+protected.GET("/progress-page", func(c echo.Context) error {
+    // ...
+    progressData, err := cfg.Handler.GetAllProgressData(c)
+    // Returns []handlers.ProgressWithMedia directly - no conversion
+    // ...
+})
+```
+
+**Collections**:
+```go
+// collections.go - update to return handler types
+func (h *CollectionHandler) GetCollectionBooksData(c echo.Context) ([]collections.BookInfo, error) {
+    // Already returns BookInfo - just update template
+}
+```
+
+---
+
+## Summary Table
+
+| Phase | Files Changed | Lines Removed | Lines Added | Net Change |
+|-------|--------------|---------------|--------------|-------------|
+| 1.1 CollectionDetailData | 3 | 7 | 2 | -5 |
+| 1.2 BookData | 3 | 6 | 0 | -6 |
+| 1.3 DeviceData | 4 | 24 | 5 | -19 |
+| 2.1 ProgressItemData | 4 | 14 | 3 | -11 |
+| **Total** | **14** | **51** | **10** | **-41** |
+
+**Note**: QueueItemData already uses handler type (good pattern). Conflicts already uses handler type (good pattern).
+
+---
+
+## Testing Checklist
+
+After each phase:
+
+### Phase 1.1 (CollectionDetailData)
+- [ ] View collection rules page
+- [ ] Edit collection rules
+- [ ] View collection detail page
+- [ ] Add books to collection
+
+### Phase 1.2 (BookData)
+- [ ] View collection detail page
+- [ ] Browse books in collection
+- [ ] Book covers display correctly
+
+### Phase 1.3 (DeviceData)
+- [ ] Devices page loads
+- [ ] Device cards display
+- [ ] Last sync/last seen dates formatted
+- [ ] Device type icons show correctly
+
+### Phase 2.1 (ProgressItemData)
+- [ ] Progress page loads
+- [ ] Progress entries show device names/icons
+- [ ] Percentage display works
+- [ ] Cover images display
+
+---
+
+## Rollback Plan
+
+If refactoring breaks functionality:
+
+1. **Git stash** changes before starting
+2. **Commit after each successful phase**
+3. **Revert individual commits** if needed
+4. **Keep conversion functions** commented out temporarily
+
+```bash
+# Before starting
+git stash push -m "pre-refactor-state"
+
+# After Phase 1.1
+git commit -m "refactor: delete CollectionDetailData, use CollectionData"
+
+# If Phase 1.2 breaks
+git revert HEAD
+# Continue with 1.3
+```
+
+---
+
+## Benefits
+
+### Code Quality
+- ✅ Aligns with templ's design philosophy
+- ✅ Single source of truth for types
+- ✅ Reduced code duplication
+- ✅ **API-first**: Handler types are authoritative
+
+### Maintenance
+- ✅ Update types in 1 place, not 2
+- ✅ Less conversion logic to maintain
+- ✅ Clearer data flow
+- ✅ **Template changes automatically get API updates**
+
+### Consistency
+- ✅ All templates use handlers types (like Queue/Conflicts already do)
+- ✅ API and HTML use same type definitions
+- ✅ 41 fewer lines of code
+- ✅ **"API wins"** principle eliminates ambiguity
+
+---
+
+## Future Considerations
+
+### For IMPLEMENTATION_EXACT.md
+After this refactoring, adding `AuthToken` to devices is simpler:
+- Add `AuthToken string` to `handlers.DeviceInfo` struct
+- Add to `GetDevicesData()` function return values
+- Template automatically gets it (no conversion layer)
+
+This **solves the critical issue** found in IMPLEMENTATION_EXACT.md analysis automatically.
+
+### For New Features
+- Define handler types with json tags first
+- Templates use same types directly
+- Only create template-specific types for:
+  - Computed/derived fields not in API
+  - Combining data from multiple sources
+  - Simplifying complex nested structures
+
+---
+
+## Execution Order
+
+1. **Run tests** to ensure baseline: `go test ./...`
+2. **Create feature branch**: `git checkout -b refactor/types-consolidation`
+3. **Execute Phase 1.1** (CollectionDetailData) - DELETE template type, use API type
+4. **Commit and test**
+5. **Execute Phase 1.2** (BookData) - DELETE template type, use API type
+6. **Commit and test**
+7. **Execute Phase 1.3** (DeviceData) - DELETE template type, use API type
+8. **Commit and test**
+9. **Execute Phase 2.1** (ProgressItemData) - DELETE template type, enhance API type
+10. **Final commit and test**
+11. **Update IMPLEMENTATION_EXACT.md** to reference handler types only
+
+**Total Estimated Time**: 2-3 hours with testing
+
+**Key Mindset**: Every change removes a template type, never the reverse. API types are authoritative.
+
+---
+
+## Questions for User
+
+1. **Progress template updates**: Since we're using `handlers.ProgressWithMedia` (API type) in templates, any template formatting changes (like date formatting) should be done in the template itself. Is this acceptable?
+
+2. **Testing**: Do you have automated template tests, or is this manual testing only?
+
+3. **Implementation plan**: Should I update IMPLEMENTATION_EXACT.md after this refactoring to reference `handlers.DeviceInfo` instead of `DeviceData`?
+
+4. **Json tags on handler types**: Templates don't need `json:"..."` tags - should we document that these are for API responses only?
@@ -63,6 +63,13 @@ type UpdateDeviceMappingRequest struct {
 	SyncDirection   string `json:"sync_direction" validate:"required,oneof=bidirectional book_to_device device_to_book none"`
 }

+type BookInfo struct {
+	MediaItemID    string `json:"media_item_id"`
+	Title          string `json:"title"`
+	Author         string `json:"author"`
+	CoverImagePath string `json:"cover_image_path"`
+}
+
 func (h *CollectionHandler) CreateCollection(c echo.Context) error {
 	user := c.Get("user").(database.Users)
 	userUUID := uuid.UUID(user.ID.Bytes)
@@ -171,13 +178,6 @@ func (h *CollectionHandler) GetCollection(c echo.Context) error {
 		return c.JSON(http.StatusInternalServerError, map[string]string{"error": err.Error()})
 	}

-	type BookInfo struct {
-		MediaItemID    string `json:"media_item_id"`
-		Title          string `json:"title"`
-		Author         string `json:"author"`
-		CoverImagePath string `json:"cover_image_path"`
-	}
-
 	bookList := make([]BookInfo, 0, len(books))
 	for _, book := range books {
 		bookList = append(bookList, BookInfo{
@@ -14,6 +14,20 @@ import (
 	"github.com/labstack/echo/v4"
 )

+// getDeviceIcon returns an emoji icon for device type
+func getDeviceIcon(deviceType string) string {
+	switch deviceType {
+	case "kobo":
+		return "📚"
+	case "koreader":
+		return "📖"
+	case "kindle":
+		return "📱"
+	default:
+		return "📚"
+	}
+}
+
 // GetUniversalProgress retrieves progress with all location references
 func (h *Handler) GetUniversalProgress(c echo.Context) error {
 	user := MustGetAuthenticatedUser(c)
@@ -229,16 +243,22 @@ func (h *Handler) GetProgressHistory(c echo.Context) error {
 }

 type ProgressWithMedia struct {
-	MediaItemID    uuid.UUID
-	Title          string
-	Author         string
-	CoverImagePath string
-	Percentage     float64
-	CurrentPage    int32
-	TotalPages     int32
-	LastReadAt     time.Time
-	Epubcfi        string
-	LastSyncDevice string
+	MediaItemID        uuid.UUID `json:"media_item_id"`
+	Title              string    `json:"title"`
+	Author             string    `json:"author"`
+	CoverImagePath     string    `json:"cover_image_path"`
+	Percentage         float64   `json:"percentage"`
+	CurrentPage        int32     `json:"current_page"`
+	TotalPages         int32     `json:"total_pages"`
+	LastReadAt         time.Time `json:"last_read_at"`
+	Epubcfi            string    `json:"epubcfi"`
+	LastSyncDevice     string    `json:"last_sync_device"`
+	DeviceName         string    `json:"device_name,omitempty"`
+	DeviceType         string    `json:"device_type,omitempty"`
+	DeviceIcon         string    `json:"device_icon,omitempty"`
+	ProgressPercentage float64   `json:"-"`
+	EpubCFI            string    `json:"-"`
+	LastUpdated        string    `json:"-"`
 }

 // GetAllProgress retrieves all progress for a user with sync source info
@@ -283,17 +303,26 @@ func (h *Handler) GetAllProgress(c echo.Context) error {
 			deviceName = progress.LastSyncDevice.String
 		}

+		lastUpdated := ""
+		if progress.LastReadAt.Valid {
+			lastUpdated = progress.LastReadAt.Time.Format("2006-01-02 15:04")
+		}
+
 		progressList = append(progressList, ProgressWithMedia{
-			MediaItemID:    progress.MediaItemID.Bytes,
-			Title:          mediaItem.Title,
-			Author:         author,
-			CoverImagePath: coverPath,
-			Percentage:     progress.Percentage.Float64,
-			CurrentPage:    progress.CurrentPage.Int32,
-			TotalPages:     progress.TotalPages.Int32,
-			LastReadAt:     progress.LastReadAt.Time,
-			Epubcfi:        epubcfi,
-			LastSyncDevice: deviceName,
+			MediaItemID:        progress.MediaItemID.Bytes,
+			Title:              mediaItem.Title,
+			Author:             author,
+			CoverImagePath:     coverPath,
+			Percentage:         progress.Percentage.Float64,
+			CurrentPage:        progress.CurrentPage.Int32,
+			TotalPages:         progress.TotalPages.Int32,
+			LastReadAt:         progress.LastReadAt.Time,
+			Epubcfi:            epubcfi,
+			LastSyncDevice:     deviceName,
+			ProgressPercentage: progress.Percentage.Float64,
+			EpubCFI:            epubcfi,
+			LastUpdated:        lastUpdated,
+			DeviceIcon:         getDeviceIcon(deviceName),
 		})
 	}

@@ -349,7 +378,7 @@ func (h *Handler) GetAllProgressData(c echo.Context) ([]ProgressWithMedia, error
 			MediaItemID:    progress.MediaItemID.Bytes,
 			Title:          mediaItem.Title,
 			Author:         author,
-			CoverImagePath:  coverPath,
+			CoverImagePath: coverPath,
 			Percentage:     progress.Percentage.Float64,
 			CurrentPage:    progress.CurrentPage.Int32,
 			TotalPages:     progress.TotalPages.Int32,
@@ -361,4 +390,3 @@ func (h *Handler) GetAllProgressData(c echo.Context) ([]ProgressWithMedia, error

 	return progressList, nil
 }
-
@@ -158,18 +158,17 @@ func registerFrontendRoutes(cfg *Config) {
 		if err != nil {
 			return c.HTML(http.StatusInternalServerError, "Error loading user")
 		}
-		deviceData, err := cfg.DeviceHandler.GetDevicesData(c)
+		devices, err := cfg.DeviceHandler.GetDevicesData(c)
 		if err != nil {
 			return c.HTML(http.StatusInternalServerError, "Error loading devices")
 		}
-		pendingData, err := cfg.DeviceHandler.GetPendingRegistrationsData(c)
+		pendingMaps, err := cfg.DeviceHandler.GetPendingRegistrationsData(c)
 		if err != nil {
 			return c.HTML(http.StatusInternalServerError, "Error loading pending")
 		}
-		devicesList := convertDevices(deviceData)
-		pendingList := convertPending(pendingData)
+		pendingList := convertPending(pendingMaps)
 		var buf bytes.Buffer
-		err = templates.Devices(user, devicesList, pendingList).Render(c.Request().Context(), &buf)
+		err = templates.Devices(user, devices, pendingList).Render(c.Request().Context(), &buf)
 		if err != nil {
 			return err
 		}
@@ -2,9 +2,7 @@ package router

 import (
 	"context"
-	"time"

-	"bookhoard/internal/handlers"
 	"bookhoard/templates"

 	"github.com/google/uuid"
@@ -43,29 +41,6 @@ func getTemplateUserWithTheme(c echo.Context, cfg *Config) (templates.User, erro
 	}, nil
 }

-func convertDevices(deviceInfos []handlers.DeviceInfo) []templates.DeviceData {
-	result := make([]templates.DeviceData, len(deviceInfos))
-	for i, d := range deviceInfos {
-		lastSync := ""
-		if d.LastSync != nil {
-			lastSync = d.LastSync.Format(time.RFC3339)
-		}
-		lastSeen := ""
-		if d.LastSeen != nil {
-			lastSeen = d.LastSeen.Format(time.RFC3339)
-		}
-		result[i] = templates.DeviceData{
-			ID:          d.ID.String(),
-			DeviceName:  d.DeviceName,
-			DeviceType:  d.DeviceType,
-			SyncEnabled: d.SyncEnabled,
-			LastSync:    lastSync,
-			LastSeen:    lastSeen,
-		}
-	}
-	return result
-}
-
 func convertPending(pending []map[string]interface{}) []templates.PendingRegistrationData {
 	result := make([]templates.PendingRegistrationData, len(pending))
 	for i, p := range pending {
@@ -1,6 +1,6 @@
 package templates

-templ CollectionRules(user User, collection CollectionDetailData) {
+templ CollectionRules(user User, collection CollectionData) {
    <!DOCTYPE html>
    <html lang="en">
    <head>
@@ -8,7 +8,7 @@ package templates
 import "github.com/a-h/templ"
 import templruntime "github.com/a-h/templ/runtime"

-func CollectionRules(user User, collection CollectionDetailData) templ.Component {
+func CollectionRules(user User, collection CollectionData) templ.Component {
 	return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
 		if templ_7745c5c3_CtxErr := ctx.Err(); templ_7745c5c3_CtxErr != nil {
@@ -1,5 +1,7 @@
 package templates

+import "bookhoard/internal/handlers"
+
 templ Collection(user User, collections []CollectionData) {
    <!DOCTYPE html>
    <html lang="en">
@@ -210,7 +212,7 @@ templ Collection(user User, collections []CollectionData) {
    </html>
 }

-templ CollectionDetail(user User, collection CollectionDetailData, books []BookData) {
+templ CollectionDetail(user User, collection CollectionData, books []handlers.BookInfo) {
    <!DOCTYPE html>
    <html lang="en">
    <head>
@@ -8,6 +8,8 @@ package templates
 import "github.com/a-h/templ"
 import templruntime "github.com/a-h/templ/runtime"

+import "bookhoard/internal/handlers"
+
 func Collection(user User, collections []CollectionData) templ.Component {
 	return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
@@ -55,7 +57,7 @@ func Collection(user User, collections []CollectionData) templ.Component {
 			var templ_7745c5c3_Var2 string
 			templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(col.Icon)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 46, Col: 60}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 48, Col: 60}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2))
 			if templ_7745c5c3_Err != nil {
@@ -68,7 +70,7 @@ func Collection(user User, collections []CollectionData) templ.Component {
 			var templ_7745c5c3_Var3 string
 			templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(col.Name)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 58, Col: 109}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 60, Col: 109}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
 			if templ_7745c5c3_Err != nil {
@@ -81,7 +83,7 @@ func Collection(user User, collections []CollectionData) templ.Component {
 			var templ_7745c5c3_Var4 string
 			templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(col.Description)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 59, Col: 103}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 61, Col: 103}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
 			if templ_7745c5c3_Err != nil {
@@ -100,7 +102,7 @@ func Collection(user User, collections []CollectionData) templ.Component {
 	})
 }

-func CollectionDetail(user User, collection CollectionDetailData, books []BookData) templ.Component {
+func CollectionDetail(user User, collection CollectionData, books []handlers.BookInfo) templ.Component {
 	return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
 		if templ_7745c5c3_CtxErr := ctx.Err(); templ_7745c5c3_CtxErr != nil {
@@ -128,7 +130,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 		var templ_7745c5c3_Var6 string
 		templ_7745c5c3_Var6, templ_7745c5c3_Err = templ.JoinStringErrs(collection.Name)
 		if templ_7745c5c3_Err != nil {
-			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 219, Col: 32}
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 221, Col: 32}
 		}
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var6))
 		if templ_7745c5c3_Err != nil {
@@ -149,7 +151,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 		var templ_7745c5c3_Var7 string
 		templ_7745c5c3_Var7, templ_7745c5c3_Err = templ.JoinStringErrs(collection.Icon)
 		if templ_7745c5c3_Err != nil {
-			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 234, Col: 95}
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 236, Col: 95}
 		}
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var7))
 		if templ_7745c5c3_Err != nil {
@@ -162,7 +164,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 		var templ_7745c5c3_Var8 string
 		templ_7745c5c3_Var8, templ_7745c5c3_Err = templ.JoinStringErrs(collection.Name)
 		if templ_7745c5c3_Err != nil {
-			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 236, Col: 107}
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 238, Col: 107}
 		}
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var8))
 		if templ_7745c5c3_Err != nil {
@@ -175,7 +177,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 		var templ_7745c5c3_Var9 string
 		templ_7745c5c3_Var9, templ_7745c5c3_Err = templ.JoinStringErrs(collection.Description)
 		if templ_7745c5c3_Err != nil {
-			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 237, Col: 88}
+			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 239, Col: 88}
 		}
 		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var9))
 		if templ_7745c5c3_Err != nil {
@@ -199,7 +201,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 			var templ_7745c5c3_Var10 string
 			templ_7745c5c3_Var10, templ_7745c5c3_Err = templ.JoinStringErrs(book.Title)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 284, Col: 131}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 286, Col: 131}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var10))
 			if templ_7745c5c3_Err != nil {
@@ -217,7 +219,7 @@ func CollectionDetail(user User, collection CollectionDetailData, books []BookDa
 				var templ_7745c5c3_Var11 string
 				templ_7745c5c3_Var11, templ_7745c5c3_Err = templ.JoinStringErrs(book.Author)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 286, Col: 108}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/collections.templ`, Line: 288, Col: 108}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var11))
 				if templ_7745c5c3_Err != nil {
@@ -1,6 +1,8 @@
 package templates

-templ Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegistrationData) {
+import "bookhoard/internal/handlers"
+
+templ Devices(user User, devices []handlers.DeviceInfo, pendingRegistrations []PendingRegistrationData) {
 	<!DOCTYPE html>
 	<html lang="en">
 		<head>
@@ -79,16 +81,16 @@ templ Devices(user User, devices []DeviceData, pendingRegistrations []PendingReg
 										</div>
 										<div class="flex justify-between">
 											<span style="color: var(--text-secondary)">Last Sync</span>
-											if device.LastSync != "" {
-												<span style="color: var(--text-primary)">{ device.LastSync }</span>
+											if device.LastSync != nil {
+												<span style="color: var(--text-primary)">{ device.LastSync.Format("2006-01-02 15:04") }</span>
 											} else {
 												<span style="color: var(--text-primary)">Never</span>
 											}
 										</div>
 										<div class="flex justify-between">
 											<span style="color: var(--text-secondary)">Last Seen</span>
-											if device.LastSeen != "" {
-												<span style="color: var(--text-primary)">{ device.LastSeen }</span>
+											if device.LastSeen != nil {
+												<span style="color: var(--text-primary)">{ device.LastSeen.Format("2006-01-02 15:04") }</span>
 											} else {
 												<span style="color: var(--text-primary)">Never</span>
 											}
@@ -8,7 +8,9 @@ package templates
 import "github.com/a-h/templ"
 import templruntime "github.com/a-h/templ/runtime"

-func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegistrationData) templ.Component {
+import "bookhoard/internal/handlers"
+
+func Devices(user User, devices []handlers.DeviceInfo, pendingRegistrations []PendingRegistrationData) templ.Component {
 	return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
 		if templ_7745c5c3_CtxErr := ctx.Err(); templ_7745c5c3_CtxErr != nil {
@@ -89,7 +91,7 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				var templ_7745c5c3_Var2 string
 				templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(device.DeviceName)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 69, Col: 102}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 71, Col: 102}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2))
 				if templ_7745c5c3_Err != nil {
@@ -102,7 +104,7 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				var templ_7745c5c3_Var3 string
 				templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(device.DeviceType)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 70, Col: 89}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 72, Col: 89}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
 				if templ_7745c5c3_Err != nil {
@@ -127,15 +129,15 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				if templ_7745c5c3_Err != nil {
 					return templ_7745c5c3_Err
 				}
-				if device.LastSync != "" {
+				if device.LastSync != nil {
 					templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 17, "<span style=\"color: var(--text-primary)\">")
 					if templ_7745c5c3_Err != nil {
 						return templ_7745c5c3_Err
 					}
 					var templ_7745c5c3_Var4 string
-					templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(device.LastSync)
+					templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(device.LastSync.Format("2006-01-02 15:04"))
 					if templ_7745c5c3_Err != nil {
-						return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 83, Col: 70}
+						return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 85, Col: 97}
 					}
 					_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
 					if templ_7745c5c3_Err != nil {
@@ -155,15 +157,15 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				if templ_7745c5c3_Err != nil {
 					return templ_7745c5c3_Err
 				}
-				if device.LastSeen != "" {
+				if device.LastSeen != nil {
 					templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 21, "<span style=\"color: var(--text-primary)\">")
 					if templ_7745c5c3_Err != nil {
 						return templ_7745c5c3_Err
 					}
 					var templ_7745c5c3_Var5 string
-					templ_7745c5c3_Var5, templ_7745c5c3_Err = templ.JoinStringErrs(device.LastSeen)
+					templ_7745c5c3_Var5, templ_7745c5c3_Err = templ.JoinStringErrs(device.LastSeen.Format("2006-01-02 15:04"))
 					if templ_7745c5c3_Err != nil {
-						return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 91, Col: 70}
+						return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 93, Col: 97}
 					}
 					_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var5))
 					if templ_7745c5c3_Err != nil {
@@ -206,7 +208,7 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				var templ_7745c5c3_Var6 string
 				templ_7745c5c3_Var6, templ_7745c5c3_Err = templ.JoinStringErrs(reg.DeviceName)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 110, Col: 87}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 112, Col: 87}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var6))
 				if templ_7745c5c3_Err != nil {
@@ -219,7 +221,7 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				var templ_7745c5c3_Var7 string
 				templ_7745c5c3_Var7, templ_7745c5c3_Err = templ.JoinStringErrs(reg.DeviceType)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 112, Col: 27}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 114, Col: 27}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var7))
 				if templ_7745c5c3_Err != nil {
@@ -232,7 +234,7 @@ func Devices(user User, devices []DeviceData, pendingRegistrations []PendingRegi
 				var templ_7745c5c3_Var8 string
 				templ_7745c5c3_Var8, templ_7745c5c3_Err = templ.JoinStringErrs(reg.ExpiresAt)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 112, Col: 58}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/devices.templ`, Line: 114, Col: 58}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var8))
 				if templ_7745c5c3_Err != nil {
@@ -1,6 +1,8 @@
 package templates

-templ Progress(user User, progressData []ProgressItemData) {
+import "bookhoard/internal/handlers"
+
+templ Progress(user User, progressData []handlers.ProgressWithMedia) {
    <!DOCTYPE html>
    <html lang="en">
    <head>
@@ -8,7 +8,9 @@ package templates
 import "github.com/a-h/templ"
 import templruntime "github.com/a-h/templ/runtime"

-func Progress(user User, progressData []ProgressItemData) templ.Component {
+import "bookhoard/internal/handlers"
+
+func Progress(user User, progressData []handlers.ProgressWithMedia) templ.Component {
 	return templruntime.GeneratedTemplate(func(templ_7745c5c3_Input templruntime.GeneratedComponentInput) (templ_7745c5c3_Err error) {
 		templ_7745c5c3_W, ctx := templ_7745c5c3_Input.Writer, templ_7745c5c3_Input.Context
 		if templ_7745c5c3_CtxErr := ctx.Err(); templ_7745c5c3_CtxErr != nil {
@@ -55,7 +57,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var2 string
 			templ_7745c5c3_Var2, templ_7745c5c3_Err = templ.JoinStringErrs(item.Title)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 44, Col: 121}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 46, Col: 121}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var2))
 			if templ_7745c5c3_Err != nil {
@@ -73,7 +75,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 				var templ_7745c5c3_Var3 string
 				templ_7745c5c3_Var3, templ_7745c5c3_Err = templ.JoinStringErrs(item.Author)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 46, Col: 116}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 48, Col: 116}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var3))
 				if templ_7745c5c3_Err != nil {
@@ -91,7 +93,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var4 string
 			templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(item.ProgressPercentage)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 50, Col: 127}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 52, Col: 127}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
 			if templ_7745c5c3_Err != nil {
@@ -104,7 +106,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var5 string
 			templ_7745c5c3_Var5, templ_7745c5c3_Err = templ.JoinStringErrs(item.CurrentPage)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 64, Col: 62}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 66, Col: 62}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var5))
 			if templ_7745c5c3_Err != nil {
@@ -117,7 +119,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var6 string
 			templ_7745c5c3_Var6, templ_7745c5c3_Err = templ.JoinStringErrs(item.TotalPages)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 64, Col: 84}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 66, Col: 84}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var6))
 			if templ_7745c5c3_Err != nil {
@@ -130,7 +132,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var7 string
 			templ_7745c5c3_Var7, templ_7745c5c3_Err = templ.JoinStringErrs(item.LastUpdated)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 69, Col: 96}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 71, Col: 96}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var7))
 			if templ_7745c5c3_Err != nil {
@@ -143,7 +145,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var8 string
 			templ_7745c5c3_Var8, templ_7745c5c3_Err = templ.JoinStringErrs(item.DeviceIcon)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 74, Col: 83}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 76, Col: 83}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var8))
 			if templ_7745c5c3_Err != nil {
@@ -156,7 +158,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 			var templ_7745c5c3_Var9 string
 			templ_7745c5c3_Var9, templ_7745c5c3_Err = templ.JoinStringErrs(item.DeviceName)
 			if templ_7745c5c3_Err != nil {
-				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 75, Col: 102}
+				return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 77, Col: 102}
 			}
 			_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var9))
 			if templ_7745c5c3_Err != nil {
@@ -174,7 +176,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 				var templ_7745c5c3_Var10 string
 				templ_7745c5c3_Var10, templ_7745c5c3_Err = templ.JoinStringErrs(item.DeviceName)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 84, Col: 90}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 86, Col: 90}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var10))
 				if templ_7745c5c3_Err != nil {
@@ -187,7 +189,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 				var templ_7745c5c3_Var11 string
 				templ_7745c5c3_Var11, templ_7745c5c3_Err = templ.JoinStringErrs(item.DeviceType)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 85, Col: 68}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 87, Col: 68}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var11))
 				if templ_7745c5c3_Err != nil {
@@ -206,7 +208,7 @@ func Progress(user User, progressData []ProgressItemData) templ.Component {
 				var templ_7745c5c3_Var12 string
 				templ_7745c5c3_Var12, templ_7745c5c3_Err = templ.JoinStringErrs(item.EpubCFI)
 				if templ_7745c5c3_Err != nil {
-					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 93, Col: 65}
+					return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/progress.templ`, Line: 95, Col: 65}
 				}
 				_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var12))
 				if templ_7745c5c3_Err != nil {
@@ -23,21 +23,6 @@ type CollectionData struct {
 	Icon        string
 }

-type CollectionDetailData struct {
-	ID          string
-	Name        string
-	Description string
-	Color       string
-	Icon        string
-}
-
-type BookData struct {
-	MediaItemID    string
-	Title          string
-	Author         string
-	CoverImagePath string
-}
-
 type LibraryData struct {
 	ID          string
 	Name        string
@@ -45,17 +30,6 @@ type LibraryData struct {
 	TypeName    string
 }

-type DeviceData struct {
-	ID            string
-	DeviceName    string
-	DeviceType    string
-	SyncEnabled   bool
-	AutoSync      bool
-	SyncFrequency int32
-	LastSync      string
-	LastSeen      string
-}
-
 type PendingRegistrationData struct {
 	RegistrationID string
 	DeviceName     string
@@ -96,21 +70,6 @@ type DeviceShelfMappingData struct {
 	CreatedAt       string
 }

-type ProgressItemData struct {
-	MediaItemID        string
-	Title              string
-	Author             string
-	CoverImagePath     string
-	CurrentPage        int32
-	TotalPages         int32
-	ProgressPercentage float64
-	LastUpdated        string
-	DeviceName         string
-	DeviceType         string
-	DeviceIcon         string
-	EpubCFI            string
-}
-
 type UnlinkedBookData struct {
 	ProgressID       string
 	DeviceID         string