server/AyaNova/biz/ReportBiz.cs

@@ -69,7 +69,7 @@ namespace AyaNova.Biz
                 return null;
             }
             Report newObject = new Report();
-            
+
             CopyObject.Copy(dbObject, newObject);
             string newUniqueName = string.Empty;
             bool NotUnique = true;
@@ -402,21 +402,21 @@ namespace AyaNova.Biz
                         clientMeta = reportParam.ClientMeta.ToString();
 
                     //add Server meta data
-                    var serverMeta=$"{{ayApiUrl:`{apiUrl}`}}";
-                   
+                    var serverMeta = $"{{ayApiUrl:`{apiUrl}`}}";
+
+
 
-                   
 #if (DEBUG)
-//view page contents
+                    //view page contents
                     var pagecontent = await page.GetContentAsync();
 
 #endif
-                   //prePareData / preRender
-                    var ReportDataObject=$"{{ ayReportData:{ReportData}, ayClientMetaData:{clientMeta}, ayServerMetaData:{serverMeta} }}";                                       
-                   var preRenderResult=await page.EvaluateExpressionAsync<dynamic>($"ayPreRender({ReportDataObject});");
+                    //prePareData / preRender
+                    var ReportDataObject = $"{{ ayReportData:{ReportData}, ayClientMetaData:{clientMeta}, ayServerMetaData:{serverMeta} }}";
+                    var PreParedReportDataObject = await page.EvaluateExpressionAsync<dynamic>($"ayPreRender({ReportDataObject});");//note ayPreRender is async but dont' use await to call it as the EvaluateExpressionAsync function knows how to handle that already
 
-                   //compile the template
-                    var compileScript = $"Handlebars.compile(`{report.Template}`)({preRenderResult});";
+                    //compile the template
+                    var compileScript = $"Handlebars.compile(`{report.Template}`)({PreParedReportDataObject});";
                     var compiledHTML = await page.EvaluateExpressionAsync<string>(compileScript);
 
                     //render report as HTML              
@@ -424,12 +424,7 @@ namespace AyaNova.Biz
 
                     //add style (after page or it won't work)
                     if (!string.IsNullOrWhiteSpace(report.Style))
-                    {
                         await page.AddStyleTagAsync(new AddTagOptions { Content = report.Style });
-                    }
-
-                    //If need the generated page content
-                    //var pagecontent = await page.GetContentAsync();
 
                     string outputFileName = StringUtil.ReplaceLastOccurrence(FileUtil.NewRandomFileName, ".", "") + ".pdf";
                     string outputFullPath = System.IO.Path.Combine(FileUtil.TemporaryFilesFolder, outputFileName);

server/AyaNova/resource/rpt/ay-report.js

@@ -34,15 +34,65 @@ async function ayPreRender(ayAllData) {
   }
 }
 
-// function ayPreRender(ayAllData) {
-//   if (typeof ayPrepareData === "function") {
-//     return ayPrepareData(ayAllData);
-//   } else {
-//     return ayAllData;
-//   }
-// }
+///////////////////////////////////
+//  GET DATA FROM API SERVER
+//
+async function ayGetFromAPI(route, token) {
+  try {
+    let r = await fetch(route, {
+      method: "get",
+      mode: "cors",
+      headers: {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+        Authorization: token
+      }
+    });
+    return await r.json();
+  } catch (error) {
+    //fundamental error, can't proceed with this call
+    // handleError("GET", error, route);
+    //todo: deal with this properly
+    throw error;
+  }
+}
 
-// function ayPreRender(ayAllData) {
-//   return ayAllData;
-//  // return typeof ayPrepareData;
-// }
+///////////////////////////////////
+//  POST  DATA TO API SERVER
+//
+async function ayPostToAPI(route, token, data) {
+  try {
+    fetchOptions = {
+      method: "post",
+      mode: "cors",
+      headers: {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+        Authorization: token
+      },
+      body: JSON.stringify(data)
+    };
+    let r = await fetch(route, fetchOptions);
+    return await r.json();
+  } catch (error) {
+    //todo: better handle this
+    throw error;
+  }
+}
+
+/*
+async function ayPrepareData(reportData) {
+    //this function (if present) is called with the report data 
+    //before the report is rendered
+    //modify data as required here and return it to change the data before the report renders  
+
+    //Example of using API method to fetch data from API server and make it available to the report template
+    let route=`${reportData.ayServerMetaData.ayApiUrl}enum-list/list/AyaType`;
+
+    //Put the data into the main report data object so it's available to the template
+    reportData.myData={AyaTypeList:await ayGetFromAPI(route, reportData.ayClientMetaData.Authorization)};
+
+    return reportData;
+}
+
+*/