feat: Added chapter 8

sql/queries/chirps.sql

@@ -15,4 +15,9 @@ ORDER BY created_at ASC;
 
 -- name: GetChirp :one
 SELECT * FROM chirps
-WHERE chirps.id = $1;
+WHERE chirps.id = $1;
+
+-- name: DeleteChirp :exec
+DELETE FROM chirps
+WHERE id = $1
+AND user_id = $2;

sql/queries/update_users.sql

@@ -0,0 +1,7 @@
+-- name: UpdateUserCredentials :one
+UPDATE users
+SET email = $2,
+hashed_password = $3,
+updated_at = NOW()
+WHERE users.id = $1
+RETURNING id, created_at, updated_at, email, is_chirpy_red;

sql/queries/users.sql

@@ -15,4 +15,9 @@ RETURNING *;
 
 -- name: GetUserByEmail :one
 SELECT * FROM users
-WHERE users.email = $1;
+WHERE users.email = $1;
+
+-- name: UpgradeUser :exec
+UPDATE users
+SET is_chirpy_red = true
+WHERE id = $1;