feat: Implement Statistics API with 8 endpoints under /api/v1/statistics/
- Add statistics.sql with 8 SQL queries for play count statistics - Generate repository code via sqlc - Add backend/statistics.go with business logic - Add server/statistics_handler.go with Echo handlers - Register protected routes under /api/v1/statistics/ with token auth - Endpoints: games/most-played, games/least-played, games/never-played, games/last-played, games/oldest-played, songs/most-played, songs/least-played, summary Generated by Mistral Vibe. Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
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-- Most played games with their songs
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-- name: GetMostPlayedGamesWithSongs :many
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SELECT
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g.id as game_id,
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g.game_name,
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g.times_played as game_played,
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g.last_played as game_last_played,
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json_agg(
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json_build_object(
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'song_name', s.song_name,
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'path', s.path,
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'times_played', s.times_played,
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'file_name', s.file_name
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)
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) as songs
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FROM game g
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LEFT JOIN song s ON g.id = s.game_id
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WHERE g.deleted IS NULL
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GROUP BY g.id, g.game_name, g.times_played, g.last_played
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ORDER BY g.times_played DESC, g.game_name
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LIMIT $1;
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-- Least played games with their songs
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-- name: GetLeastPlayedGamesWithSongs :many
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SELECT
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g.id as game_id,
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g.game_name,
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g.times_played as game_played,
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g.last_played as game_last_played,
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json_agg(
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json_build_object(
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'song_name', s.song_name,
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'path', s.path,
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'times_played', s.times_played,
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'file_name', s.file_name
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)
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) as songs
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FROM game g
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LEFT JOIN song s ON g.id = s.game_id
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WHERE g.deleted IS NULL
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GROUP BY g.id, g.game_name, g.times_played, g.last_played
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ORDER BY g.times_played ASC, g.game_name
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LIMIT $1;
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-- Most played songs with their game info
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-- name: GetMostPlayedSongsWithGame :many
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SELECT
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s.game_id as game_id,
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g.game_name,
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s.song_name,
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s.path,
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s.times_played,
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s.file_name
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FROM song s
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JOIN game g ON s.game_id = g.id
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WHERE g.deleted IS NULL
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ORDER BY s.times_played DESC, s.song_name
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LIMIT $1;
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-- Least played songs with their game info
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-- name: GetLeastPlayedSongsWithGame :many
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SELECT
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s.game_id as game_id,
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g.game_name,
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s.song_name,
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s.path,
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s.times_played,
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s.file_name
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FROM song s
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JOIN game g ON s.game_id = g.id
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WHERE g.deleted IS NULL
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ORDER BY s.times_played ASC, s.song_name
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LIMIT $1;
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-- Games that have never been played (times_played = 0)
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-- name: GetNeverPlayedGames :many
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SELECT
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g.id as game_id,
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g.game_name,
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g.times_played as game_played,
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g.added,
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json_agg(
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json_build_object(
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'song_name', s.song_name,
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'path', s.path,
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'times_played', s.times_played
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)
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) as songs
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FROM game g
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LEFT JOIN song s ON g.id = s.game_id
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WHERE g.deleted IS NULL AND g.times_played = 0
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GROUP BY g.id, g.game_name, g.times_played, g.added
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ORDER BY g.game_name;
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-- Last played games (most recently played)
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-- name: GetLastPlayedGames :many
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SELECT
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g.id as game_id,
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g.game_name,
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g.times_played as game_played,
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g.last_played as game_last_played,
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json_agg(
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json_build_object(
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'song_name', s.song_name,
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'path', s.path,
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'times_played', s.times_played
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)
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) as songs
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FROM game g
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LEFT JOIN song s ON g.id = s.game_id
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WHERE g.deleted IS NULL AND g.last_played IS NOT NULL
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GROUP BY g.id, g.game_name, g.times_played, g.last_played
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ORDER BY g.last_played DESC
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LIMIT $1;
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-- Oldest played games (least recently played, but has been played at least once)
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-- name: GetOldestPlayedGames :many
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SELECT
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g.id as game_id,
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g.game_name,
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g.times_played as game_played,
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g.last_played as game_last_played,
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json_agg(
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json_build_object(
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'song_name', s.song_name,
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'path', s.path,
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'times_played', s.times_played
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)
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) as songs
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FROM game g
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LEFT JOIN song s ON g.id = s.game_id
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WHERE g.deleted IS NULL AND g.last_played IS NOT NULL
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GROUP BY g.id, g.game_name, g.times_played, g.last_played
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ORDER BY g.last_played ASC
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LIMIT $1;
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-- Get statistics summary
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-- name: GetStatisticsSummary :one
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SELECT
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COUNT(*) as total_games,
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SUM(CASE WHEN times_played > 0 THEN 1 ELSE 0 END) as played_games,
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SUM(CASE WHEN times_played = 0 THEN 1 ELSE 0 END) as never_played_games,
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COALESCE(SUM(times_played), 0)::bigint as total_game_plays,
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COALESCE(AVG(times_played), 0)::float as avg_game_plays,
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COALESCE(MAX(times_played), 0)::bigint as max_game_plays,
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COALESCE(MIN(times_played), 0)::bigint as min_game_plays
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FROM game
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WHERE deleted IS NULL;
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