add skill icon endpoint

app.py

@@ -10,6 +10,7 @@ load_dotenv(find_dotenv())
 app = Flask(__name__)
 app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv("SQLALCHEMY_DATABASE_URI")
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+app.config["KI_DATA_PATH"] = os.path.dirname(__file__) + "/data"
 db = SQLAlchemy(app)
 migrate = Migrate(app, db)
 

ki/routes.py

@@ -1,4 +1,5 @@
-from flask import request
+import os
+from flask import jsonify, make_response, request, send_file
 
 from ki.models import Skill
 from app import app
@@ -32,3 +33,21 @@ def get_skills():
     api_skills = models_to_list(skills)
     response_data = {"skills": api_skills}
     return response_data
+
+@app.route("/skills/<skill_id>/icon")
+def get_skill_icon(skill_id):
+    skill = Skill.query.get(skill_id)
+
+    if skill is None:
+        return make_response(jsonify([]), 404)
+
+    icons_base_path = app.config["KI_DATA_PATH"] + "/skill_icons/"
+    icon_base_path = icons_base_path + str(skill.id)
+    icon_svg_path = icon_base_path + ".svg"
+
+    if os.path.exists(icon_svg_path):
+        return send_file(icon_svg_path, mimetype="image/svg")
+
+    fallback_icon_path = app.config["KI_DATA_PATH"] + "/skill_icons/placeholder.svg"
+    return send_file(fallback_icon_path, mimetype="image/svg")
+