Release 0.5.10

migrations/0010_editor_experience.sql

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+ALTER TABLE topics ADD COLUMN icon_name TEXT NOT NULL DEFAULT '';
+
+ALTER TABLE pieces ADD COLUMN deleted_at_utc TEXT;
+
+ALTER TABLE piece_media ADD COLUMN removed_at_utc TEXT;
+
+CREATE TABLE piece_presentation_media (
+	piece_id TEXT PRIMARY KEY REFERENCES pieces(id) ON DELETE CASCADE,
+	media_id TEXT NOT NULL UNIQUE REFERENCES piece_media(id) ON DELETE RESTRICT
+);
+
+CREATE TRIGGER validate_piece_presentation_media_insert
+BEFORE INSERT ON piece_presentation_media
+WHEN NOT EXISTS (
+	SELECT 1 FROM piece_media
+	WHERE id = NEW.media_id AND piece_id = NEW.piece_id AND removed_at_utc IS NULL
+)
+BEGIN
+	SELECT RAISE(ABORT, 'presentation media does not belong to piece');
+END;
+
+CREATE TRIGGER validate_piece_presentation_media_update
+BEFORE UPDATE ON piece_presentation_media
+WHEN NOT EXISTS (
+	SELECT 1 FROM piece_media
+	WHERE id = NEW.media_id AND piece_id = NEW.piece_id AND removed_at_utc IS NULL
+)
+BEGIN
+	SELECT RAISE(ABORT, 'presentation media does not belong to piece');
+END;
+
+ALTER TABLE usage_topic_snapshots ADD COLUMN icon_name TEXT NOT NULL DEFAULT '';
+
+CREATE TABLE usage_media_snapshots (
+	id TEXT PRIMARY KEY,
+	usage_id TEXT NOT NULL REFERENCES piece_usages(id) ON DELETE CASCADE,
+	original_media_id TEXT NOT NULL REFERENCES piece_media(id) ON DELETE RESTRICT,
+	alt_text TEXT NOT NULL DEFAULT '',
+	position INTEGER NOT NULL CHECK (position >= 0),
+	is_presentation INTEGER NOT NULL DEFAULT 0 CHECK (is_presentation IN (0, 1)),
+	UNIQUE (usage_id, position)
+);
+
+CREATE INDEX idx_pieces_deleted_at ON pieces(deleted_at_utc);
+CREATE INDEX idx_piece_media_active ON piece_media(piece_id, position)
+	WHERE removed_at_utc IS NULL;
+CREATE INDEX idx_usage_media_usage ON usage_media_snapshots(usage_id, position);
+CREATE UNIQUE INDEX idx_one_presentation_media_per_usage
+	ON usage_media_snapshots(usage_id) WHERE is_presentation = 1;

migrations/0011_tool_icons.sql

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+ALTER TABLE tools ADD COLUMN icon_name TEXT NOT NULL DEFAULT 'wrench';