Yared Yemane
3f73afb4bf
Record playback heartbeats via POST /api/v1/videos/engagement/heartbeat and expose completion, replay, and drop-off rates on the analytics dashboard. Co-authored-by: Cursor <cursoragent@cursor.com>
19 lines
982 B
SQL
19 lines
982 B
SQL
CREATE TABLE user_video_watch_sessions (
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id BIGSERIAL PRIMARY KEY,
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user_id BIGINT NOT NULL REFERENCES users (id) ON DELETE CASCADE,
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content_kind VARCHAR(32) NOT NULL CHECK (content_kind IN ('lms_lesson', 'exam_prep_lesson')),
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content_id BIGINT NOT NULL,
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session_number INT NOT NULL CHECK (session_number > 0),
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video_duration_sec INT,
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max_position_sec INT NOT NULL DEFAULT 0 CHECK (max_position_sec >= 0),
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started_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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last_heartbeat_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
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ended_at TIMESTAMPTZ,
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completed_at TIMESTAMPTZ,
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UNIQUE (user_id, content_kind, content_id, session_number)
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);
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CREATE INDEX idx_user_video_watch_sessions_user ON user_video_watch_sessions (user_id);
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CREATE INDEX idx_user_video_watch_sessions_content ON user_video_watch_sessions (content_kind, content_id);
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CREATE INDEX idx_user_video_watch_sessions_started_at ON user_video_watch_sessions (started_at);
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