Add migration and model for version_owner_actions table

Add a migration to create the `version_owner_actions` table, as well as
a `VersionOwnerAction` struct in `models/actions.rs`.

Author: Josh Leeb-du Toit

migrations/2019-01-26-090348_create_version_owner_actions/down.sql

@@ -0,0 +1 @@
+DROP TABLE version_owner_actions;

migrations/2019-01-26-090348_create_version_owner_actions/up.sql

@@ -0,0 +1,8 @@
+CREATE TABLE version_owner_actions (
+    id SERIAL PRIMARY KEY,
+    version_id INTEGER REFERENCES versions(id) ON DELETE CASCADE,
+    owner_id INTEGER REFERENCES users(id),
+    owner_token_id INTEGER REFERENCES api_tokens(id),
+    action INTEGER NOT NULL,
+    time TIMESTAMP NOT NULL DEFAULT now()
+);

src/models/action.rs

@@ -0,0 +1,26 @@
+use chrono::NaiveDateTime;
+
+use crate::models::{ApiToken, User, Version};
+use crate::schema::*;
+
+#[derive(Debug, Clone, Copy)]
+#[repr(u32)]
+pub enum VersionAction {
+    Publish = 0,
+    Yank = 1,
+    Unyank = 2,
+}
+
+#[derive(Debug, Clone, Copy, Queryable, Identifiable, Associations)]
+#[belongs_to(Version)]
+#[belongs_to(User, foreign_key = "owner_id")]
+#[belongs_to(ApiToken, foreign_key = "owner_token_id")]
+#[table_name = "version_owner_actions"]
+pub struct VersionOwnerAction {
+    pub id: i32,
+    pub version_id: i32,
+    pub owner_id: i32,
+    pub owner_token_id: i32,
+    pub action: VersionAction,
+    pub time: NaiveDateTime,
+}

src/models/mod.rs

@@ -1,3 +1,4 @@
+pub use self::action::{VersionAction, VersionOwnerAction};
 pub use self::badge::{Badge, CrateBadge, MaintenanceStatus};
 pub use self::category::{Category, CrateCategory, NewCategory};
 pub use self::crate_owner_invitation::{CrateOwnerInvitation, NewCrateOwnerInvitation};
@@ -16,6 +17,7 @@ pub use self::version::{NewVersion, Version};
 
 pub mod helpers;
 
+mod action;
 mod badge;
 pub mod category;
 mod crate_owner_invitation;

src/schema.patch

@@ -66,7 +66,7 @@ index df884e4..18e08cd 100644
  joinable!(version_authors -> users (user_id));
  joinable!(version_authors -> versions (version_id));
  joinable!(version_downloads -> versions (version_id));
- joinable!(versions -> crates (crate_id));
+ joinable!(version_owner_actions -> api_tokens (owner_token_id));
 
 @@ -913,12 +935,13 @@ allow_tables_to_appear_in_same_query!(
      dependencies,

src/schema.rs

@@ -834,6 +834,54 @@ table! {
     }
 }
 
+table! {
+    use diesel::sql_types::*;
+    use diesel_full_text_search::{TsVector as Tsvector};
+    use diesel_ltree::Ltree;
+
+    /// Representation of the `version_owner_actions` table.
+    ///
+    /// (Automatically generated by Diesel.)
+    version_owner_actions (id) {
+        /// The `id` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Int4`.
+        ///
+        /// (Automatically generated by Diesel.)
+        id -> Int4,
+        /// The `version_id` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Nullable<Int4>`.
+        ///
+        /// (Automatically generated by Diesel.)
+        version_id -> Nullable<Int4>,
+        /// The `owner_id` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Nullable<Int4>`.
+        ///
+        /// (Automatically generated by Diesel.)
+        owner_id -> Nullable<Int4>,
+        /// The `owner_token_id` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Nullable<Int4>`.
+        ///
+        /// (Automatically generated by Diesel.)
+        owner_token_id -> Nullable<Int4>,
+        /// The `action` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Int4`.
+        ///
+        /// (Automatically generated by Diesel.)
+        action -> Int4,
+        /// The `time` column of the `version_owner_actions` table.
+        ///
+        /// Its SQL type is `Timestamp`.
+        ///
+        /// (Automatically generated by Diesel.)
+        time -> Timestamp,
+    }
+}
+
 table! {
     use diesel::sql_types::*;
     use diesel_full_text_search::{TsVector as Tsvector};
@@ -926,6 +974,9 @@ joinable!(recent_crate_downloads -> crates (crate_id));
 joinable!(version_authors -> users (user_id));
 joinable!(version_authors -> versions (version_id));
 joinable!(version_downloads -> versions (version_id));
+joinable!(version_owner_actions -> api_tokens (owner_token_id));
+joinable!(version_owner_actions -> users (owner_id));
+joinable!(version_owner_actions -> versions (version_id));
 joinable!(versions -> crates (crate_id));
 
 allow_tables_to_appear_in_same_query!(
@@ -950,5 +1001,6 @@ allow_tables_to_appear_in_same_query!(
     users,
     version_authors,
     version_downloads,
+    version_owner_actions,
     versions,
 );