stop loading indication during error

src/app/bc-info/bc-info.component.ts

@@ -68,9 +68,15 @@ export class BcInfoComponent implements HsPanelComponent, OnInit {
   }
 
   async refreshUserBalance(): Promise<void> {
-    this.getUserBalanceInProgress = true;
-    this.userBalance = await this.bcInfoService.getUserBalance(this.user, this.userPrivateKey, this.assetId);
-    this.getUserBalanceInProgress = false;
+    try {
+      this.getUserBalanceInProgress = true;
+      this.userBalance = await this.bcInfoService.getUserBalance(this.user, this.userPrivateKey, this.assetId);
+      this.getUserBalanceInProgress = false;
+    }
+    catch (err) {
+      this.getUserBalanceInProgress = false;
+      throw err;
+    }
   }
 
   async refreshPurchaseHistory(): Promise<void> {
@@ -93,26 +99,34 @@ export class BcInfoComponent implements HsPanelComponent, OnInit {
   }
 
   async onBuy(): Promise<void> {
-    if (!confirm("You sure?")) {
-      return;
-    }
+    try {
+      if (!confirm("You sure?")) {
+        return;
+      }
 
-    this.buyInProgress = true;
+      this.buyInProgress = true;
 
-    let transformedExtent = transformExtent(this.extent, this.mapService.getMap().getView().getProjection(), "EPSG:4326");
-    transformedExtent = this.roundExtentCoords(transformedExtent);
-    //console.log(transformedExtent);
+      let transformedExtent = transformExtent(this.extent, this.mapService.getMap().getView().getProjection(), "EPSG:4326");
+      console.log(transformedExtent);
+      transformedExtent = this.roundExtentCoords(transformedExtent);
+      //console.log(transformedExtent);
 
-    this.paymentHash = await this.bcInfoService.transferAssets(this.user, this.userPrivateKey, this.assetId, transformedExtent, this.price);
+      this.paymentHash = await this.bcInfoService.transferAssets(this.user, this.userPrivateKey, this.assetId, transformedExtent, this.price);
 
-    await this.bcInfoService.archiveTransfer(this.user, this.price, this.paymentHash, transformedExtent, Date.now());
+      await this.bcInfoService.archiveTransfer(this.user, this.price, this.paymentHash, transformedExtent, Date.now());
 
-    this.refreshPurchaseHistory();
-    this.refreshUserBalance();
+      this.refreshPurchaseHistory();
+      this.refreshUserBalance();
+
+      this.dataUrl = await this.bcInfoService.requestData(this.paymentHash, this.user);//"https://eo.lesprojekt.cz/produkty/S2/2020/S2A_MSIL2A_20200422T095031_N9999_R079_T33UXQ_20201127T165009_NDVI.tif"
 
-    this.dataUrl = await this.bcInfoService.requestData(this.paymentHash, this.user);//"https://eo.lesprojekt.cz/produkty/S2/2020/S2A_MSIL2A_20200422T095031_N9999_R079_T33UXQ_20201127T165009_NDVI.tif"
+      this.buyInProgress = false;
+    }
+    catch (err) {
+      this.buyInProgress = false;
+      throw err;
+    }
 
-    this.buyInProgress = false;
   }
 
   onCancel(): void {

src/app/bc-info/purchase/purchase.component.ts

@@ -19,11 +19,18 @@ export class Purchase {
     constructor(private bcInfoService: BcInfoService) {}
 
     async onRequestData(): Promise<void> {
-        this.loadingData = true;
+        try{
+            this.loadingData = true;
 
-        let dataUrl = await this.bcInfoService.requestData(this.hash, this.user);
-        window.open(dataUrl);
+            let dataUrl = await this.bcInfoService.requestData(this.hash, this.user);
+            window.open(dataUrl);
+            
+            this.loadingData = false;
+        }
+        catch(err){
+            this.loadingData = false;
+            throw err;
+        }
         
-        this.loadingData = false;
     }
 }