add GET routes for expression data (#1387)

* add GET routes for expression data

* fix comment typo

client/src/reducers/controls.js

@@ -20,8 +20,6 @@ const Controls = (
     scatterplotXXaccessor: null, // just easier to read
     scatterplotYYaccessor: null,
     graphRenderCounter: 0 /* integer as <Component key={graphRenderCounter} - a change in key forces a remount */,
-    __storedStateForCelllist1__: null /* will need procedural control of brush ie., brush.extent https://bl.ocks.org/micahstubbs/3cda05ca68cba260cb81 */,
-    __storedStateForCelllist2__: null
   },
   action,
   nextSharedState,
@@ -62,7 +60,7 @@ const Controls = (
           universeExists &&
           embeddingsExist &&
           varAnnotationsIndexExists
-        )
+        ),
       };
     }
     case "initial data load complete (universe exists)": {
@@ -71,38 +69,42 @@ const Controls = (
         ...state,
         loading: false,
         error: null,
-        resettingInterface: false
+        resettingInterface: false,
       };
     }
     case "reset World to eq Universe": {
-      const [ newUserDefinedGenes, newDiffExpGenes ] = subsetAndResetGeneLists(state);
+      const [newUserDefinedGenes, newDiffExpGenes] = subsetAndResetGeneLists(
+        state
+      );
       return {
         ...state,
         resettingInterface: false,
         userDefinedGenes: newUserDefinedGenes,
-        diffexpGenes: newDiffExpGenes
+        diffexpGenes: newDiffExpGenes,
       };
     }
     case "set World to current selection": {
-      const [ newUserDefinedGenes, newDiffExpGenes ] = subsetAndResetGeneLists(state);
+      const [newUserDefinedGenes, newDiffExpGenes] = subsetAndResetGeneLists(
+        state
+      );
       return {
         ...state,
         loading: false,
         error: null,
         userDefinedGenes: newUserDefinedGenes,
-        diffexpGenes: newDiffExpGenes
+        diffexpGenes: newDiffExpGenes,
       };
     }
     case "request user defined gene started": {
       return {
         ...state,
-        userDefinedGenesLoading: true
+        userDefinedGenesLoading: true,
       };
     }
     case "request user defined gene error": {
       return {
         ...state,
-        userDefinedGenesLoading: false
+        userDefinedGenesLoading: false,
       };
     }
     case "request user defined gene success": {
@@ -113,50 +115,49 @@ const Controls = (
       return {
         ...state,
         userDefinedGenes: _userDefinedGenes,
-        userDefinedGenesLoading: false
+        userDefinedGenesLoading: false,
       };
     }
     case "request differential expression success": {
       const { world } = prevSharedState;
       const varIndexName = world.schema.annotations.var.index;
       const _diffexpGenes = [];
-      action.data.forEach(d => {
+      action.data.forEach((d) => {
         _diffexpGenes.push(world.varAnnotations.at(d[0], varIndexName));
       });
       return {
         ...state,
-        diffexpGenes: _diffexpGenes
+        diffexpGenes: _diffexpGenes,
       };
     }
     case "clear differential expression": {
       return {
         ...state,
-        diffexpGenes: []
+        diffexpGenes: [],
       };
     }
     case "clear user defined gene": {
       const { userDefinedGenes } = state;
       const newUserDefinedGenes = _.filter(
         userDefinedGenes,
-        d => d !== action.data
+        (d) => d !== action.data
       );
       return {
         ...state,
-        userDefinedGenes: newUserDefinedGenes
+        userDefinedGenes: newUserDefinedGenes,
       };
     }
     case "clear all user defined genes": {
       return {
         ...state,
-        userDefinedGenes: []
+        userDefinedGenes: [],
       };
     }
-    case "expression load error":
     case "initial data load error": {
       return {
         ...state,
         loading: false,
-        error: action.error
+        error: action.error,
       };
     }
 
@@ -166,24 +167,24 @@ const Controls = (
     case "change graph interaction mode":
       return {
         ...state,
-        graphInteractionMode: action.data
+        graphInteractionMode: action.data,
       };
     case "change opacity deselected cells in 2d graph background":
       return {
         ...state,
-        opacityForDeselectedCells: action.data
+        opacityForDeselectedCells: action.data,
       };
     case "increment graph render counter": {
       const c = state.graphRenderCounter + 1;
       return {
         ...state,
-        graphRenderCounter: c
+        graphRenderCounter: c,
       };
     }
     case "interface reset started": {
       return {
         ...state,
-        resettingInterface: true
+        resettingInterface: true,
       };
     }
 
@@ -193,18 +194,18 @@ const Controls = (
     case "set scatterplot x":
       return {
         ...state,
-        scatterplotXXaccessor: action.data
+        scatterplotXXaccessor: action.data,
       };
     case "set scatterplot y":
       return {
         ...state,
-        scatterplotYYaccessor: action.data
+        scatterplotYYaccessor: action.data,
       };
     case "clear scatterplot":
       return {
         ...state,
         scatterplotXXaccessor: null,
-        scatterplotYYaccessor: null
+        scatterplotYYaccessor: null,
       };
 
     default: