From a3c3d7c816c01603928beccd4d697b20d5e14e44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=ABl=20Ma=C3=AFzi?= <joel.maizi@lirmm.fr>
Date: Tue, 4 Aug 2020 12:14:37 +0200
Subject: [PATCH] [cli][WIP] Init API repo directory.

---
 Pipfile                             |  15 ++++
 halfapi/{cli.py => cli/__init__.py} |   5 +-
 halfapi/cli/lib/__init__.py         |   0
 halfapi/cli/lib/db.py               | 113 ++++++++++++++++++++++++++++
 4 files changed, 132 insertions(+), 1 deletion(-)
 create mode 100644 Pipfile
 rename halfapi/{cli.py => cli/__init__.py} (98%)
 mode change 100755 => 100644
 create mode 100644 halfapi/cli/lib/__init__.py
 create mode 100644 halfapi/cli/lib/db.py

diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..ff0374e
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,15 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+click = "*"
+starlette = "*"
+uvicorn = "*"
+jwt = "*"
+
+[requires]
+python_version = "3.8"
diff --git a/halfapi/cli.py b/halfapi/cli/__init__.py
old mode 100755
new mode 100644
similarity index 98%
rename from halfapi/cli.py
rename to halfapi/cli/__init__.py
index 73d82e1..fb0e772
--- a/halfapi/cli.py
+++ b/halfapi/cli/__init__.py
@@ -8,6 +8,8 @@ import re
 import importlib
 from pprint import pprint
 
+from halfapi.cli.lib.db import ProjectDB
+
 CONTEXT_SETTINGS={
     'default_map':{'run': {}} 
 }
@@ -344,7 +346,8 @@ def init_project(project, repo):
     else:
         click.echo(f'Initialize project repository in directory {project}')
         pygit2.init_repository(project)
-
+        pdb = ProjectDB(project)
+        pdb.init()
 
 
 if __name__ == '__main__':
diff --git a/halfapi/cli/lib/__init__.py b/halfapi/cli/lib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/halfapi/cli/lib/db.py b/halfapi/cli/lib/db.py
new file mode 100644
index 0000000..f926542
--- /dev/null
+++ b/halfapi/cli/lib/db.py
@@ -0,0 +1,113 @@
+import click
+from half_orm.model import Model, CONF_DIR
+from half_orm.model_errors import MissingConfigFile
+import psycopg2
+import subprocess
+
+_DB_SCHEMA = """
+create schema api;
+
+create type verb as enum ('POST', 'GET', 'PUT', 'DELETE');
+
+create table api.domain (
+    name text,
+    primary key (name)
+);
+
+create table api.router (
+    name text,
+    domain text,
+    primary key (name, domain)
+);
+
+alter table api.router add constraint router_domain_fkey foreign key (domain) references api.domain(name) on update cascade on delete cascade;
+
+create table api.route (
+    http_verb verb,
+    path text, -- relative to /<domain>/<router>
+    fct_name text,
+    router text,
+    domain text,
+    primary key (http_verb, path, router, domain)
+);
+
+alter table api.route add constraint route_router_fkey foreign key (router, domain) references api.router(name, domain) on update cascade on delete cascade;
+
+create table api.acl_function (
+    name text,
+    description text,
+    domain text,
+    primary key (name, domain)
+);
+
+alter table api.acl_function add constraint acl_function_domain_fkey foreign key (domain) references api.domain(name) on update cascade on delete cascade;
+
+create table api.acl (
+    http_verb verb,
+    path text not null,
+    router text,
+    domain text,
+    acl_fct_name text,
+    primary key (http_verb, path, router, domain, acl_fct_name)
+);
+
+alter table api.acl add constraint acl_route_fkey foreign key (http_verb, path,
+router, domain) references api.route(http_verb, path, router, domain) on update cascade on delete cascade;
+alter table api.acl add constraint acl_function_fkey foreign key (acl_fct_name, domain) references api.acl_function(name, domain) on update cascade on delete cascade;
+
+create schema "api.view";
+
+create view "api.view".route as
+select
+    route.*,
+    '/'::text || route.domain || '/'::text || route.router || route.path AS abs_path
+from
+    api.route
+    join api.domain on
+    route.domain = domain.name
+;
+
+create view "api.view".acl as
+select
+    acl.*,
+    '/'::text || route.domain || '/'::text || route.router || route.path AS abs_path
+from
+    api.acl
+    join api.acl_function on
+    acl.acl_fct_name = acl_function.name
+    join api.route on
+    acl.domain = route.domain
+    and acl.router = route.router
+    and acl.path = route.path;
+"""
+
+HOP_CONF = """[database]
+name = {}
+"""
+
+class ProjectDB:
+    def __init__(self, project_name):
+        self.__project_name = project_name
+        self.__db_name = f'halfapi_{self.__project_name}'
+        self.__db = self._get_db()
+
+    def _get_db(self):
+        from subprocess import PIPE
+        hop_conf_file = f'{CONF_DIR}/{self.__db_name}'
+        try:
+            return Model(self.__db_name)
+        except psycopg2.OperationalError as err:
+            "créer la base de données"
+            ret = subprocess.run(['/usr/bin/createdb', self.__db_name])
+            if ret.returncode != 0:
+                raise Exception(f"Can't create {self.__db_name}")
+        except MissingConfigFile:
+            print(f"demande validation de {CONF_DIR} {self.__db_name}")
+            print("demande validation création de fichier de CONF")
+            open(hop_conf_file, 'w').write(HOP_CONF.format(self.__db_name))
+        return self._get_db()
+
+    def init(self):
+        """
+        """
+        self.__db.execute_query(_DB_SCHEMA)