From 12f646547e6009585bdbb1fd1d6dfbec816424be Mon Sep 17 00:00:00 2001
From: Jean-Marie PLACE <jean-marie.place@univ-lille1.fr>
Date: Tue, 21 Dec 2021 18:49:33 +0100
Subject: [PATCH] api list logos

---
 app/api/sco_api.py | 81 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 77 insertions(+), 4 deletions(-)

diff --git a/app/api/sco_api.py b/app/api/sco_api.py
index 969753d1..dd08c744 100644
--- a/app/api/sco_api.py
+++ b/app/api/sco_api.py
@@ -38,18 +38,18 @@
 # Scolarite/Notes/groups_view
 # Scolarite/Notes/moduleimpl_status
 # Scolarite/setGroups
+from datetime import datetime
 
-from flask import jsonify, request, url_for, abort, g
-from flask_login import current_user
+from flask import jsonify, request, g, send_file
 from sqlalchemy.sql import func
 
 from app import db, log
 from app.api import bp
 from app.api.auth import token_auth
-from app.api.errors import bad_request, error_response
-from app.decorators import permission_required
+from app.api.errors import error_response
 from app import models
 from app.models import FormSemestre, FormSemestreInscription, Identite
+from app.scodoc.sco_logos import list_logos, find_logo
 from app.scodoc.sco_permissions import Permission
 
 
@@ -79,3 +79,76 @@ def etudiants():
         FormSemestre.date_fin >= func.now(),
     )
     return jsonify([e.to_dict_bul(include_urls=False) for e in query])
+
+
+def format_required(default_format="json", allowed_formats=None):
+    """Extract required format from a request.
+    * default value is json. a list of allowed formats may be provided
+    (['json'] considered if not provided).
+    * if the required format is not in allowed list, returns None.
+    NB: if json in not in allowed_formats, format specification is mandatory."""
+    format_type = request.args.get("format", default_format)
+    if format_type in (allowed_formats or ["json"]):
+        return format_type
+    return None
+
+
+def get_dept_id(dept_name=None):
+    dept = models.Departement.query.filter_by(acronym=dept_name).first_or_404()
+    return dept.id
+
+
+@bp.route("/logos", methods=["GET"])
+@token_auth.login_required
+def api_get_glob_logos():
+    if not g.current_user.has_permission(Permission.ScoSuperAdmin, None):
+        return error_response(401, message="accès interdit")
+    required_format = format_required()  # json only
+    if required_format is None:
+        return error_response(400, "Illegal format")
+    logos = list_logos()[None]
+    return jsonify(list(logos.keys()))
+
+
+@bp.route("/logos/<string:logoname>", methods=["GET"])
+@token_auth.login_required
+def api_get_glob_logo(logoname):
+    if not g.current_user.has_permission(Permission.ScoSuperAdmin, None):
+        return error_response(401, message="accès interdit")
+    logo = find_logo(logoname=logoname)
+    if logo is None:
+        return error_response(404, message="logo not found")
+    logo.select()
+    return send_file(
+        logo.filepath,
+        mimetype=f"image/{logo.suffix}",
+        last_modified=datetime.now(),
+    )
+
+
+@bp.route("/departements/<string:departement>/logos", methods=["GET"])
+@token_auth.login_required
+def api_get_local_logos(departement):
+    dept_id = get_dept_id(departement)
+    if not g.current_user.has_permission(Permission.ScoChangePreferences, departement):
+        return error_response(401, message="accès interdit")
+    logos = list_logos().get(dept_id, dict())
+    return jsonify(list(logos.keys()))
+
+
+@bp.route("/departements/<string:departement>/logos/<string:logoname>", methods=["GET"])
+@token_auth.login_required
+def api_get_local_logo(departement, logoname):
+    # format = format_required("jpg", ['png', 'jpg'])
+    dept_id = get_dept_id(departement)
+    if not g.current_user.has_permission(Permission.ScoChangePreferences, departement):
+        return error_response(401, message="accès interdit")
+    logo = find_logo(logoname=logoname, dept_id=dept_id)
+    if logo is None:
+        return error_response(404, message="logo not found")
+    logo.select()
+    return send_file(
+        logo.filepath,
+        mimetype=f"image/{logo.suffix}",
+        last_modified=datetime.now(),
+    )