dynamically build name based on filters

frontend/src/views/genes/genes.js

@@ -142,6 +142,26 @@ export default {
         return 'right';
       }
       return 'left';
+    },
+    fileName() {
+      if (this.searchGeneName) {
+        return this.searchGeneName;
+      }
+      var basename = "metagenedb";
+      if (this.geneSource && this.geneSource != 'all') {
+        basename = `${basename}_${this.geneSource}`;
+      }
+      if (this.filterGeneLength) {
+        basename = `${basename}_${this.geneLengthFilterRange[0]}bp-${this.geneLengthFilterRange[1]}bp`;
+      }
+      if (this.functionID){
+        basename = `${basename}_function-${this.functionID}`;
+      }
+      if (this.taxChoice) {
+        var taxName = this.taxChoice.replace(/ /g,"_");
+        basename = `${basename}_${this.taxLevel}-${taxName}`;
+      }
+      return basename;
     }
   },
   mounted() {
@@ -226,7 +246,7 @@ export default {
       })
         .then((response) => {
           this.downloadFastaReady = true;
-          this.forceFileDownload(response, 'metagenedb_sequences.fasta');
+          this.forceFileDownload(response, `${this.fileName}.fasta`);
         })
         .catch((error) => {
           console.error(error);
@@ -248,7 +268,7 @@ export default {
       })
         .then((response) => {
           this.downloadCSVReady = true;
-          this.forceFileDownload(response, 'metagenedb_metadata.csv');
+          this.forceFileDownload(response, `${this.fileName}.csv`);
         })
         .catch((error) => {
           console.error(error);