Adopt sqlc for typed Postgres queries behind store entities.

internal/store/sqlc/votes.sql.go

@@ -0,0 +1,61 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: votes.sql
+
+package sqlc
+
+import (
+	"context"
+)
+
+const deleteVote = `-- name: DeleteVote :exec
+DELETE FROM votes
+WHERE user_id = $1 AND question_id = $2
+`
+
+type DeleteVoteParams struct {
+	UserID     string
+	QuestionID string
+}
+
+func (q *Queries) DeleteVote(ctx context.Context, arg DeleteVoteParams) error {
+	_, err := q.db.ExecContext(ctx, deleteVote, arg.UserID, arg.QuestionID)
+	return err
+}
+
+const getVote = `-- name: GetVote :one
+SELECT value
+FROM votes
+WHERE user_id = $1 AND question_id = $2
+`
+
+type GetVoteParams struct {
+	UserID     string
+	QuestionID string
+}
+
+func (q *Queries) GetVote(ctx context.Context, arg GetVoteParams) (int32, error) {
+	row := q.db.QueryRowContext(ctx, getVote, arg.UserID, arg.QuestionID)
+	var value int32
+	err := row.Scan(&value)
+	return value, err
+}
+
+const upsertVote = `-- name: UpsertVote :exec
+INSERT INTO votes (user_id, question_id, value)
+VALUES ($1, $2, $3)
+ON CONFLICT (user_id, question_id) DO UPDATE
+SET value = excluded.value
+`
+
+type UpsertVoteParams struct {
+	UserID     string
+	QuestionID string
+	Value      int32
+}
+
+func (q *Queries) UpsertVote(ctx context.Context, arg UpsertVoteParams) error {
+	_, err := q.db.ExecContext(ctx, upsertVote, arg.UserID, arg.QuestionID, arg.Value)
+	return err
+}