1 files changed, 54 insertions, 0 deletions
diff --git a/jb-ui/src/models/grlStatsSlice.ts b/jb-ui/src/models/grlStatsSlice.ts
new file mode 100644
index 0000000..9385256
--- /dev/null
+++ b/jb-ui/src/models/grlStatsSlice.ts
@@ -0,0 +1,54 @@
+import { StatsSnapshot } from "@/api_fsb";
+import { RootState } from "@/store";
+import { createSelector, createSlice, PayloadAction } from '@reduxjs/toolkit';
+
+
+const initialState: StatsSnapshot[] = []
+
+const grlStatsSlice = createSlice({
+    name: 'grlStats',
+    initialState,
+    reducers: {
+
+        addStatsData(state, action: PayloadAction<StatsSnapshot>) {
+            state.push(action.payload);
+        }
+    }
+})
+
+export const {
+    addStatsData
+} = grlStatsSlice.actions;
+export default grlStatsSlice.reducer
+
+
+export const selectRecentStats = createSelector(
+    [
+        (state: RootState) => state.stats,
+    ],
+    (stats): StatsSnapshot | null => {
+        const lastStat = stats[stats.length - 1];
+        return lastStat ?? null;
+    }
+);
+
+export const activeUsers = createSelector(
+    [selectRecentStats],
+    (recentStats): number | null => {
+        return recentStats?.active_users_last_24h ?? null;
+    }
+);
+
+export const activeSurveys = createSelector(
+    [selectRecentStats],
+    (recentStats): number | null => {
+        return recentStats?.live_task_count?.total ?? null;
+    }
+);
+
+export const maxPayout = createSelector(
+    [selectRecentStats],
+    (recentStats): number | null => {
+        return recentStats?.live_tasks_max_payout?.value ?? null;
+    }
+);