presentations backend

migrations/2019-05-23-032722_create_presentations/down.sql

@@ -0,0 +1 @@
+DROP TABLE presentations

migrations/2019-05-23-032722_create_presentations/up.sql

@@ -0,0 +1,5 @@
+CREATE TABLE presentations (
+  id INT PRIMARY KEY AUTO_INCREMENT,
+  title VARCHAR(255) NOT NULL,
+  created TIMESTAMP NOT NULL
+)

src/models.rs

@@ -74,3 +74,27 @@ impl GHAccessTokenBody {
 /// This defines an actor for retrieving answer from database by id.
 #[derive(Queryable, Deserialize)]
 pub struct GetAnswerById(pub i32);
+
+/// Presentation model.
+#[derive(Queryable, Serialize, Deserialize)]
+pub struct Presentation {
+    id: i32,
+    title: String,
+    created: NaiveDateTime,
+}
+
+/// Creates a new presentation.
+#[derive(Insertable, Debug)]
+#[table_name = "presentations"]
+pub struct NewPresentation {
+    title: String,
+    created: NaiveDateTime,
+}
+
+/// The structure of the body of JSON request for creating a new presentation.
+///
+/// This is used for making the API request, and `NewPresentation` is used by the application for
+/// creating the presentation in database.
+pub struct PresentationInput {
+    title: String,
+}

src/schema.rs

@@ -8,6 +8,14 @@ table! {
     }
 }
 
+table! {
+    presentations (id) {
+        id -> Integer,
+        title -> Varchar,
+        created -> Timestamp,
+    }
+}
+
 table! {
     questions (id) {
         id -> Integer,
@@ -16,4 +24,8 @@ table! {
     }
 }
 
-allow_tables_to_appear_in_same_query!(answers, questions,);
+allow_tables_to_appear_in_same_query!(
+    answers,
+    presentations,
+    questions,
+);