diesel db handling

* update settings for test environment (.env)
* migrations subdir with sql prototypes

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

migrations/2019-11-06-123836_advotracker/up.sql

@@ -0,0 +1,81 @@
+/*
+ * advotracker - Hotline tackingtool for Advocats
+ *
+ * Copyright 2019 Ralf Zerres <ralf.zerres@networkx.de>
+ * SPDX-License-Identifier: (0BSD, MIT)
+ */
+
+-- sqlite3 advotracker.db \
+--	.read advotracker_sqlite.sql
+
+CREATE TABLE IF NOT EXISTS users
+(
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  last_name VARCHAR,
+  first_name VARCHAR,
+  alias VARCHAR,
+  email VARCHAR,
+  /* email_confirmed boolean NOT NULL DEFAULT 0, */
+  email_confirmed INTEGER NOT NULL DEFAULT 0,
+  password_hash VARCHAR,
+  initials VARCHAR,
+  date_created TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  date_updated TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+
+  -- Constraints
+  CONSTRAINT users_ck_email_confirmed CHECK (email_confirmed IN (0,1))
+);
+
+CREATE INDEX IF NOT EXISTS users_ix_email ON users (email);
+
+CREATE TABLE IF NOT EXISTS user_roles(
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	name VARCHAR,
+	-- Constraints
+	CONSTRAINT user_roles_uk_name UNIQUE (name));
+
+CREATE TABLE IF NOT EXISTS user_user_roles (
+	user_id INTEGER NOT NULL,
+	role_id INTEGER NOT NULL,
+	-- Constraints
+	CONSTRAINT user_user_roles_pk_user_id_role_id PRIMARY KEY (user_id, role_id),
+	CONSTRAINT user_user_roles_fk_user_id FOREIGN KEY (user_id)
+		   REFERENCES users (id) ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT user_user_roles_fk_role_id FOREIGN KEY (role_id)
+		   REFERENCES user_roles (id) ON DELETE CASCADE ON UPDATE CASCADE);
+CREATE INDEX IF NOT EXISTS user_user_roles_ix_user_id ON user_user_roles (user_id);
+CREATE INDEX IF NOT EXISTS user_user_roles_ix_role_id ON user_user_roles (role_id);
+
+CREATE VIEW IF NOT EXISTS view_user_roles
+    AS SELECT
+    users.user_id AS user_id,
+    users.last_name AS last_name,
+    users.first_name AS first_name,
+    users.email AS email,
+    users.user_initials AS initials,
+    users_role.user_rolename AS role_name
+    FROM user_user_roles
+    INNER JOIN users ON users.user_id = user_user_roles.user_id
+    INNER JOIN user_roles ON user_roles.id = user_user_roles.role_id;
+
+CREATE TABLE IF NOT EXISTS user_claims (
+       id INTEGER PRIMARY KEY AUTOINCREMENT,
+       user_id INTEGER,
+       type VARCHAR,
+       value VARCHAR,
+       -- CONSTRAINTS
+       CONSTRAINT user_claims_fk_user_id FOREIGN KEY (user_id)
+	       REFERENCES users (id) ON DELETE CASCADE ON UPDATE CASCADE);
+CREATE INDEX IF NOT EXISTS user_claims_ix_user_id ON user_claims (user_id);
+
+CREATE TABLE IF NOT EXISTS harms (
+	id INTEGER primary key AUTOINCREMENT,
+	number_harm VARCHAR,
+	number_policyholder VARCHAR,
+	number_callback VARCHAR,
+	date_fallback TIMESTAMP,
+	date_recording TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	user_id INTEGER NOT NULL,
+	date_changed TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	user_id_changed INTEGER);
+CREATE INDEX IF NOT EXISTS harms_ix_number_harm ON harms (number_harm);