feat: add PredictionPayload interface and update historic data extrac…

…tion

src/utils/file-validators.ts

@@ -1,3 +1,5 @@
+import { PredictionPayload } from "./prediction-payload";
+
 export interface HistoricData{
   organizational_unit: string;
   period: string;
@@ -39,8 +41,7 @@ export function validateBucketName(bucket: string): boolean {
 }
 
 export function extractHistoricData(jsonStringified: string): HistoricData[]{
-  const jsonPayload = JSON.parse(jsonStringified);
-  //@ts-ignore
+  const jsonPayload = JSON.parse(jsonStringified) as PredictionPayload;
   const diseaseCases = jsonPayload.features.find(feature => feature['featureId'] === 'disease_cases')
 
   if(diseaseCases === undefined){

src/utils/prediction-payload.ts

@@ -0,0 +1,44 @@
+export interface PredictionPayload {
+    model_id:        string;
+    features:        PredictionPayloadFeature[];
+    orgUnitsGeoJson: OrgUnitsGeoJSON;
+    n_periods:       number;
+}
+
+export interface PredictionPayloadFeature {
+    featureId: string;
+    dhis2Id:   string;
+    data:      Datum[];
+}
+
+export interface Datum {
+    ou:    string;
+    pe:    string;
+    value: number;
+}
+
+export interface OrgUnitsGeoJSON {
+    type:     string;
+    features: OrgUnitsGeoJSONFeature[];
+}
+
+export interface OrgUnitsGeoJSONFeature {
+    type:       string;
+    id:         string;
+    properties: Properties;
+    geometry:   Geometry;
+}
+
+export interface Geometry {
+    type:        string;
+    coordinates: number[];
+}
+
+export interface Properties {
+    code:        string;
+    name:        string;
+    level:       string;
+    parent:      string;
+    parentGraph: string;
+    groups:      string[];
+}