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feat(db): add context_text column to reading_progress

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Stores surrounding text (~100 chars) at the reader's current position.
Used as fallback for CFI resolution when converting between epubcfi
and CREngine XPointer formats.

Updates:
- schema.sql: add context_text TEXT column, update stored procedure
- queries.sql: add context_text to GetUniversalProgress and
  UpdateUniversalProgress queries
- Regenerate sqlc Go code (models.go, querier.go, queries.sql.go)
This commit is contained in:
john-okeefe
2026-06-02 19:44:31 -04:00
parent 5a76fed099
commit c82f20c3f2
5 changed files with 55 additions and 5 deletions
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database/schema/schema.sql
+4
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@@ -245,6 +245,7 @@ CREATE TABLE IF NOT EXISTS reading_progress (
percentage FLOAT CHECK (percentage >= 0 AND percentage <= 1),
character_offset BIGINT,
epubcfi TEXT,
context_text TEXT,
chapter INTEGER,
chapter_progress FLOAT CHECK (chapter_progress >= 0 AND chapter_progress <= 1),
viewport_x FLOAT DEFAULT 0,
@@ -937,6 +938,7 @@ BEGIN
percentage = (book_record->>'percentage')::FLOAT,
character_offset = CASE WHEN book_record ? 'character' THEN (book_record->>'character')::BIGINT ELSE existing_progress.character_offset END,
epubcfi = CASE WHEN book_record ? 'epubcfi' THEN (book_record->>'epubcfi')::TEXT ELSE existing_progress.epubcfi END,
context_text = CASE WHEN book_record ? 'context_text' THEN (book_record->>'context_text')::TEXT ELSE existing_progress.context_text END,
chapter = CASE WHEN book_record ? 'chapter' THEN (book_record->>'chapter')::INTEGER ELSE existing_progress.chapter END,
chapter_progress = (book_record->>'percentage')::FLOAT,
last_sync_device = 'koreader',
@@ -955,6 +957,7 @@ BEGIN
percentage,
character_offset,
epubcfi,
context_text,
chapter,
chapter_progress,
last_sync_device,
@@ -971,6 +974,7 @@ BEGIN
(book_record->>'percentage')::FLOAT,
CASE WHEN book_record ? 'character' THEN (book_record->>'character')::BIGINT ELSE NULL END,
CASE WHEN book_record ? 'epubcfi' THEN (book_record->>'epubcfi')::TEXT ELSE NULL END,
CASE WHEN book_record ? 'context_text' THEN (book_record->>'context_text')::TEXT ELSE NULL END,
CASE WHEN book_record ? 'chapter' THEN (book_record->>'chapter')::INTEGER ELSE NULL END,
(book_record->>'percentage')::FLOAT,
'koreader',