feat: implement feed agg and browse

internal/database/feeds.sql.go

@@ -7,31 +7,34 @@ package database
 
 import (
 	"context"
+	"database/sql"
 	"time"
 
 	"github.com/google/uuid"
 )
 
 const createFeed = `-- name: CreateFeed :one
-INSERT INTO feeds (id, created_at, updated_at, name, url, user_id)
+INSERT INTO feeds (id, created_at, updated_at, name, url, user_id, last_fetched_at)
 VALUES (
   $1,
   $2,
   $3,
   $4,
   $5,
-  $6
+  $6,
+  $7
 )
-RETURNING id, created_at, updated_at, name, url, user_id
+RETURNING id, created_at, updated_at, name, url, user_id, last_fetched_at
 `
 
 type CreateFeedParams struct {
-	ID        uuid.UUID
-	CreatedAt time.Time
-	UpdatedAt time.Time
-	Name      string
-	Url       string
-	UserID    uuid.UUID
+	ID            uuid.UUID
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+	Name          string
+	Url           string
+	UserID        uuid.UUID
+	LastFetchedAt sql.NullTime
 }
 
 func (q *Queries) CreateFeed(ctx context.Context, arg CreateFeedParams) (Feed, error) {
@@ -42,6 +45,7 @@ func (q *Queries) CreateFeed(ctx context.Context, arg CreateFeedParams) (Feed, e
 		arg.Name,
 		arg.Url,
 		arg.UserID,
+		arg.LastFetchedAt,
 	)
 	var i Feed
 	err := row.Scan(
@@ -51,12 +55,13 @@ func (q *Queries) CreateFeed(ctx context.Context, arg CreateFeedParams) (Feed, e
 		&i.Name,
 		&i.Url,
 		&i.UserID,
+		&i.LastFetchedAt,
 	)
 	return i, err
 }
 
 const getAllFeeds = `-- name: GetAllFeeds :many
-SELECT id, created_at, updated_at, name, url, user_id FROM feeds
+SELECT id, created_at, updated_at, name, url, user_id, last_fetched_at FROM feeds
 `
 
 func (q *Queries) GetAllFeeds(ctx context.Context) ([]Feed, error) {
@@ -75,6 +80,7 @@ func (q *Queries) GetAllFeeds(ctx context.Context) ([]Feed, error) {
 			&i.Name,
 			&i.Url,
 			&i.UserID,
+			&i.LastFetchedAt,
 		); err != nil {
 			return nil, err
 		}
@@ -90,7 +96,7 @@ func (q *Queries) GetAllFeeds(ctx context.Context) ([]Feed, error) {
 }
 
 const getFeedByUrl = `-- name: GetFeedByUrl :one
-SELECT id, created_at, updated_at, name, url, user_id FROM feeds
+SELECT id, created_at, updated_at, name, url, user_id, last_fetched_at FROM feeds
 WHERE url = $1
 `
 
@@ -104,6 +110,43 @@ func (q *Queries) GetFeedByUrl(ctx context.Context, url string) (Feed, error) {
 		&i.Name,
 		&i.Url,
 		&i.UserID,
+		&i.LastFetchedAt,
 	)
 	return i, err
 }
+
+const getNextFeedToFetch = `-- name: GetNextFeedToFetch :one
+SELECT id, created_at, updated_at, name, url, user_id, last_fetched_at FROM feeds
+ORDER BY last_fetched_at ASC NULLS FIRST
+`
+
+func (q *Queries) GetNextFeedToFetch(ctx context.Context) (Feed, error) {
+	row := q.db.QueryRowContext(ctx, getNextFeedToFetch)
+	var i Feed
+	err := row.Scan(
+		&i.ID,
+		&i.CreatedAt,
+		&i.UpdatedAt,
+		&i.Name,
+		&i.Url,
+		&i.UserID,
+		&i.LastFetchedAt,
+	)
+	return i, err
+}
+
+const markFeedAsFetched = `-- name: MarkFeedAsFetched :exec
+UPDATE feeds
+SET last_fetched_at = $1
+WHERE feeds.id = $2
+`
+
+type MarkFeedAsFetchedParams struct {
+	LastFetchedAt sql.NullTime
+	ID            uuid.UUID
+}
+
+func (q *Queries) MarkFeedAsFetched(ctx context.Context, arg MarkFeedAsFetchedParams) error {
+	_, err := q.db.ExecContext(ctx, markFeedAsFetched, arg.LastFetchedAt, arg.ID)
+	return err
+}