Rename web-server to API

This change renames the web-server component to API in order to be more
descriptive of its role. The OpenDC API bridges between the frontend on
one side and the database and simulator on the other side.

1 files changed, 39 insertions, 0 deletions

diff --git a/api/opendc/util/path_parser.py b/api/opendc/util/path_parser.py
new file mode 100644
index 00000000..a8bbdeba
--- /dev/null
+++ b/api/opendc/util/path_parser.py
@@ -0,0 +1,39 @@
+import json
+import os
+
+
+def parse(version, endpoint_path):
+    """Map an HTTP endpoint path to an API path"""
+
+    # Get possible paths
+    with open(os.path.join(os.path.dirname(__file__), '..', 'api', '{}', 'paths.json').format(version)) as paths_file:
+        paths = json.load(paths_file)
+
+    # Find API path that matches endpoint_path
+    endpoint_path_parts = endpoint_path.strip('/').split('/')
+    paths_parts = [x.strip('/').split('/') for x in paths if len(x.strip('/').split('/')) == len(endpoint_path_parts)]
+    path = None
+
+    for path_parts in paths_parts:
+        found = True
+        for (endpoint_part, part) in zip(endpoint_path_parts, path_parts):
+            if not part.startswith('{') and endpoint_part != part:
+                found = False
+                break
+        if found:
+            path = path_parts
+
+    if path is None:
+        return None
+
+    # Extract path parameters
+    parameters = {}
+
+    for (name, value) in zip(path, endpoint_path_parts):
+        if name.startswith('{'):
+            try:
+                parameters[name.strip('{}')] = int(value)
+            except:
+                parameters[name.strip('{}')] = value
+
+    return '{}/{}'.format(version, '/'.join(path)), parameters