first commit

app/merge.py

@@ -0,0 +1,42 @@
+from collections.abc import Iterable
+
+
+def merge_activity(
+    github: dict[str, int],
+    gitea: dict[str, int],
+    dates: Iterable[str] | None = None,
+) -> dict[str, dict[str, int]]:
+    keys = set(github) | set(gitea)
+    if dates is not None:
+        keys |= set(dates)
+
+    merged: dict[str, dict[str, int]] = {}
+    for date_key in sorted(keys):
+        gh = int(github.get(date_key, 0))
+        gt = int(gitea.get(date_key, 0))
+        merged[date_key] = {
+            "github": gh,
+            "gitea": gt,
+            "total": gh + gt,
+        }
+    return merged
+
+
+def filter_activity_source(
+    merged: dict[str, dict[str, int]],
+    source: str,
+) -> dict[str, dict[str, int]]:
+    if source == "all":
+        return merged
+
+    filtered: dict[str, dict[str, int]] = {}
+    for day, counts in merged.items():
+        github = counts.get("github", 0)
+        gitea = counts.get("gitea", 0)
+        if source == "github":
+            filtered[day] = {"github": github, "gitea": 0, "total": github}
+        elif source == "gitea":
+            filtered[day] = {"github": 0, "gitea": gitea, "total": gitea}
+        else:
+            filtered[day] = counts
+    return filtered