Feature 13: Discover - Side Quest Suggestions (#110)

Co-authored-by: orchestrator-agent <20+orchestrator-agent@code.cubecraftcreations.com>

migrations/queries/suggestions.sql

@@ -0,0 +1,110 @@
+-- name: CreateSuggestionBatch :one
+INSERT INTO suggestion_batches (id, trigger, status, created_at, updated_at)
+VALUES (?, ?, 'pending', ?, ?)
+RETURNING *;
+
+-- name: GetActiveSuggestionBatch :one
+-- The batch still pending or running, oldest first. Returns sql.ErrNoRows
+-- when there is none.
+SELECT * FROM suggestion_batches
+WHERE status IN ('pending', 'running')
+ORDER BY id
+LIMIT 1;
+
+-- name: GetLatestSuggestionBatch :one
+-- The newest batch, whatever its status. Returns sql.ErrNoRows when there
+-- is none.
+SELECT * FROM suggestion_batches
+ORDER BY id DESC
+LIMIT 1;
+
+-- name: GetSuggestionBatchJobID :one
+-- The id of the job that runs batch batch_id.
+SELECT id FROM jobs
+WHERE kind = sqlc.arg(kind)
+	AND json_extract(payload, '$.batch_id') = sqlc.arg(batch_id)
+ORDER BY id
+LIMIT 1;
+
+-- name: StartSuggestionBatch :execrows
+-- Marks a pending batch running; a batch in any other status is left as
+-- it is (0 rows).
+UPDATE suggestion_batches
+SET status = 'running', updated_at = ?
+WHERE id = ? AND status = 'pending';
+
+-- name: FinishSuggestionBatch :execrows
+-- Records a pending or running batch as done or failed; a batch already
+-- finished is left as it is (0 rows).
+UPDATE suggestion_batches
+SET status = ?, updated_at = ?
+WHERE id = ? AND status IN ('pending', 'running');
+
+-- name: FailOrphanedSuggestionBatches :execrows
+-- Fails every batch still pending or running whose job is no longer queued
+-- or running: the process stopped, or recording the batch's end failed,
+-- before its handler recorded a result. Run before reading the active batch.
+UPDATE suggestion_batches
+SET status = 'failed', updated_at = sqlc.arg(updated_at)
+WHERE status IN ('pending', 'running')
+	AND NOT EXISTS (
+		SELECT 1 FROM jobs
+		WHERE jobs.kind = sqlc.arg(kind)
+			AND jobs.status IN ('queued', 'running')
+			AND json_extract(jobs.payload, '$.batch_id') = suggestion_batches.id
+	);
+
+-- name: CreateSuggestion :exec
+-- name is the name the dish is suggested under, kept whatever its dinner is
+-- later renamed.
+INSERT INTO suggestions (
+	id, dinner_id, batch_id, name, reason, cited_regular_ids, status, created_at, updated_at
+) VALUES (
+	?, ?, ?, ?, ?, ?, 'pending', ?, ?
+);
+
+-- name: GetSuggestion :one
+-- A suggestion with its dinner. Returns sql.ErrNoRows for an unknown id.
+SELECT sqlc.embed(suggestions), sqlc.embed(dinners)
+FROM suggestions
+JOIN dinners ON dinners.id = suggestions.dinner_id
+WHERE suggestions.id = ?;
+
+-- name: ListDeck :many
+-- The pending suggestions whose dinner is still suggested, oldest first,
+-- with their dinners.
+SELECT sqlc.embed(suggestions), sqlc.embed(dinners)
+FROM suggestions
+JOIN dinners ON dinners.id = suggestions.dinner_id
+WHERE suggestions.status = 'pending' AND dinners.status = 'suggested'
+ORDER BY suggestions.created_at, suggestions.id;
+
+-- name: CountDeck :one
+-- How many suggestions ListDeck returns.
+SELECT COUNT(*)
+FROM suggestions
+JOIN dinners ON dinners.id = suggestions.dinner_id
+WHERE suggestions.status = 'pending' AND dinners.status = 'suggested';
+
+-- name: ListDeclinedSuggestionNames :many
+-- The name every declined suggestion was suggested under, oldest decision
+-- first; renaming its dinner does not change it.
+SELECT name
+FROM suggestions
+WHERE status = 'declined'
+ORDER BY decided_at, id;
+
+-- name: DecideSuggestion :execrows
+-- Records the household's decision on a pending suggestion; one already
+-- decided is left as it is (0 rows).
+UPDATE suggestions
+SET status = sqlc.arg(status), decided_at = sqlc.arg(now), updated_at = sqlc.arg(now)
+WHERE id = sqlc.arg(id) AND status = 'pending';
+
+-- name: MoveSuggestedDinner :execrows
+-- Moves a dinner still suggested to status (quest_log or archived),
+-- recording updated_by; a dinner no longer suggested is left as it is
+-- (0 rows).
+UPDATE dinners
+SET status = sqlc.arg(status), updated_by = sqlc.arg(updated_by), updated_at = sqlc.arg(updated_at)
+WHERE id = sqlc.arg(id) AND status = 'suggested';