Add token for crate owner invitation email

Adds a token to the crate_owner_invitations table to be used in token-based acceptance of invitation via email.

Author: nkanderson

Diff for: migrations/2019-12-13-053745_add_crate_owner_invitation_token/down.sql

@@ -0,0 +1,3 @@
+ALTER TABLE crate_owner_invitations DROP COLUMN token;
+ALTER TABLE crate_owner_invitations DROP COLUMN token_generated_at;
+DROP FUNCTION crate_owner_invitations_set_token_generated_at();

Diff for: migrations/2019-12-13-053745_add_crate_owner_invitation_token/up.sql

@@ -0,0 +1,13 @@
+ALTER TABLE crate_owner_invitations ADD COLUMN token TEXT NOT NULL DEFAULT random_string(26);
+ALTER TABLE crate_owner_invitations ADD COLUMN token_generated_at TIMESTAMP;
+
+CREATE FUNCTION crate_owner_invitations_set_token_generated_at() RETURNS trigger AS $$
+  BEGIN
+    NEW.token_generated_at := CURRENT_TIMESTAMP;
+    RETURN NEW;
+  END
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER trigger_crate_owner_invitations_set_token_generated_at BEFORE
+INSERT OR UPDATE OF token ON crate_owner_invitations
+FOR EACH ROW EXECUTE PROCEDURE crate_owner_invitations_set_token_generated_at();

Diff for: src/models/crate_owner_invitation.rs

@@ -5,13 +5,15 @@ use crate::schema::{crate_owner_invitations, crates, users};
 use crate::views::EncodableCrateOwnerInvitation;
 
 /// The model representing a row in the `crate_owner_invitations` database table.
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Identifiable, Queryable)]
+#[derive(Clone, Debug, PartialEq, Eq, Identifiable, Queryable)]
 #[primary_key(invited_user_id, crate_id)]
 pub struct CrateOwnerInvitation {
     pub invited_user_id: i32,
     pub invited_by_user_id: i32,
     pub crate_id: i32,
     pub created_at: NaiveDateTime,
+    pub token: String,
+    pub token_created_at: Option<NaiveDateTime>,
 }
 
 #[derive(Insertable, Clone, Copy, Debug)]

Diff for: src/schema.rs

@@ -208,6 +208,18 @@ table! {
         ///
         /// (Automatically generated by Diesel.)
         created_at -> Timestamp,
+        /// The `token` column of the `crate_owner_invitations` table.
+        ///
+        /// Its SQL type is `Text`.
+        ///
+        /// (Automatically generated by Diesel.)
+        token -> Text,
+        /// The `token_generated_at` column of the `crate_owner_invitations` table.
+        ///
+        /// Its SQL type is `Nullable<Timestamp>`.
+        ///
+        /// (Automatically generated by Diesel.)
+        token_generated_at -> Nullable<Timestamp>,
     }
 }
 

Diff for: src/tasks/dump_db/dump-db.toml

@@ -56,6 +56,8 @@ invited_user_id = "private"
 invited_by_user_id = "private"
 crate_id = "private"
 created_at = "private"
+token = "private"
+token_generated_at = "private"
 
 [crate_owners]
 dependencies = ["crates", "users"]