feat: implement user credential management with new UserCredential entity and related components

database/init.d/init-en_GB.sql

@@ -34,12 +34,12 @@
 --- Type Definitions ---
 DROP TYPE IF EXISTS USER_STATUS CASCADE;
 DROP TYPE IF EXISTS STATUS CASCADE;
-DROP TYPE IF EXISTS IDENTITY_PROVIDER CASCADE;
+DROP TYPE IF EXISTS CREDENTIAL_PROVIDER CASCADE;
 DROP TYPE IF EXISTS SETTING_TYPE CASCADE;
 
 CREATE TYPE USER_STATUS AS ENUM ('ACTIVE', 'INACTIVE', 'LOCKED');
 CREATE TYPE STATUS AS ENUM ('ACTIVE', 'INACTIVE');
-CREATE TYPE IDENTITY_PROVIDER AS ENUM ('LOCAL', 'OIDC', 'MICROSOFT_ENTRA_ID', 'GOOGLE_OIDC', 'SAML');
+CREATE TYPE CREDENTIAL_PROVIDER AS ENUM ('LOCAL', 'OIDC', 'MICROSOFT_ENTRA_ID', 'GOOGLE_OIDC', 'SAML');
 CREATE TYPE SETTING_TYPE AS ENUM ('STRING', 'BOOLEAN', 'INT');
 
 --- Departments Table ---
@@ -186,15 +186,15 @@ SELECT 'johndoe',
        CURRENT_TIMESTAMP;
 
 --- User Identities Table ---
-DROP TABLE IF EXISTS user_identities CASCADE;
-CREATE TABLE user_identities
+DROP TABLE IF EXISTS user_credentials CASCADE;
+CREATE TABLE user_credentials
 (
-    user_id     BIGINT            NOT NULL REFERENCES users (id),
-    provider    IDENTITY_PROVIDER NOT NULL,
-    external_id VARCHAR(255)      NOT NULL,
-    created_at  TIMESTAMP         NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at  TIMESTAMP         NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (user_id, provider, external_id)
+    user_id    BIGINT              NOT NULL REFERENCES users (id),
+    provider   CREDENTIAL_PROVIDER NOT NULL,
+    credential VARCHAR(255)        NOT NULL,
+    created_at TIMESTAMP           NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP           NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, provider, credential)
 );
 
 --- Roles Table ---