Initial merger with Twitch interface.

src/modules/counters/data.py

@@ -0,0 +1,48 @@
+from data import Registry, RowModel
+from data.columns import Integer, String, Timestamp
+
+
+class CounterData(Registry):
+    class Counter(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE counters(
+            counterid SERIAL PRIMARY KEY,
+            name TEXT NOT NULL,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+        );
+        CREATE UNIQUE INDEX counters_name ON counters (name);
+        """
+        _tablename_ = 'counters'
+        _cache_ = {}
+
+        counterid = Integer(primary=True)
+        name = String()
+        created_at = Timestamp()
+
+    class CounterEntry(RowModel):
+        """
+        Schema
+        ------
+        CREATE TABLE counter_log(
+            entryid SERIAL PRIMARY KEY,
+            counterid INTEGER NOT NULL REFERENCES counters (counterid) ON UPDATE CASCADE ON DELETE CASCADE,
+            userid INTEGER NOT NULL,
+            value INTEGER NOT NULL,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+            context_str TEXT
+        );
+        CREATE INDEX counter_log_counterid ON counter_log (counterid);
+        """
+        _tablename_ = 'counter_log'
+        _cache_ = {}
+
+        entryid = Integer(primary=True)
+        counterid = Integer()
+        userid = Integer()
+        value = Integer()
+        created_at = Timestamp()
+        context_str = String()
+
+