-Add db connection for couchDB

Dockerfile

@@ -8,7 +8,8 @@ RUN set -ex \
 # Install go libraries
 RUN set -ex \
     && go get github.com/revel/revel \
-    && go get github.com/revel/cmd/revel
+    && go get github.com/revel/cmd/revel \
+    && go get github.com/flimzy/kivik
 #    && wget -O glide.zip https://github.com/Masterminds/glide/releases/download/0.10.2/glide-0.10.2-linux-386.zip \
 #    && unzip glide.zip \
 #   && rm glide.zip \

app/controllers/locations.go

@@ -2,41 +2,61 @@ package controllers
 
 import (
   "github.com/revel/revel"
-  "github.com/lunchqian-api/app/models"
+  // "github.com/lunchqian-api/app/models"
+  "github.com/flimzy/kivik"
+    _ "github.com/go-kivik/couchdb"
   "math/rand"
   "time"
+  "strconv"
+  "context"
 )
 
 type Locations struct {
   *revel.Controller
 }
 
-var locations = []models.Location{
-  models.Location{1, "Timbre+"},
-  models.Location{2, "B1"},
-  models.Location{3, "Star Vista"},
-}
-
-func (c Locations) List() revel.Result {
-  return c.RenderJSON(locations)
-}
+// func (c Locations) List() revel.Result {
+//   TODO: Update to list out all the location in db
+//   return c.RenderJSON(locations)
+// }
 
 func (c Locations) Random() revel.Result {
-  rand.Seed(time.Now().UnixNano())
-  return c.RenderJSON(locations[rand.Intn(len(locations))])
-}
+    //TODO: shift the username and password to another place
+    client, err := kivik.New(context.TODO(), "couch", "http://admin:password@localhost:5984/")
+    if err != nil {
+        panic(err)
+    }
 
-func (c Locations) Show(locationID int) revel.Result {
-  var res models.Location
-  for _, location := range locations {
-    if location.ID == locationID {
-      res = location
+    db, err := client.DB(context.TODO(), "lunch_qian")
+    if err != nil {
+        panic(err)
+    }
+    rand.Seed(time.Now().UnixNano())
+    num := strconv.Itoa(rand.Intn(10))
+    row, err := db.Get(context.TODO(), num)
+    if err != nil {
+        panic(num)
     }
-  }
 
-  if res.ID == 0 {
-    return c.NotFound("Could not find location")
-  }
+    var locale Locations
+    if err = row.ScanDoc(&locale); err != nil {
+    panic(err)
+    }
 
-  return c.RenderJSON(res)
+    return c.RenderJSON(locale.Name)
 }
+
+// func (c Locations) Show(locationID int) revel.Result {
+//   var res models.Location
+//   for _, location := range locations {
+//     if location.ID == locationID {
+//       res = location
+//     }
+//   }
+
+//   if res.ID == 0 {
+//     return c.NotFound("Could not find location")
+//   }
+
+//   return c.RenderJSON(res)
+// }

app/routes/routes.go

@@ -20,29 +20,13 @@ type tLocations struct {}
 var Locations tLocations
 
 
-func (_ tLocations) List(
-		) string {
-	args := make(map[string]string)
-
-	return revel.MainRouter.Reverse("Locations.List", args).URL
-}
-
 func (_ tLocations) Random(
 		) string {
 	args := make(map[string]string)
 
 	return revel.MainRouter.Reverse("Locations.Random", args).URL
 }
 
-func (_ tLocations) Show(
-		locationID int,
-		) string {
-	args := make(map[string]string)
-
-	revel.Unbind(args, "locationID", locationID)
-	return revel.MainRouter.Reverse("Locations.Show", args).URL
-}
-
 
 type tStatic struct {}
 var Static tStatic

app/tmp/main.go

@@ -45,28 +45,13 @@ func main() {
 
 	revel.RegisterController((*controllers.Locations)(nil),
 		[]*revel.MethodType{
-			&revel.MethodType{
-				Name: "List",
-				Args: []*revel.MethodArg{ 
-				},
-				RenderArgNames: map[int][]string{ 
-				},
-			},
 			&revel.MethodType{
 				Name: "Random",
 				Args: []*revel.MethodArg{ 
 				},
 				RenderArgNames: map[int][]string{ 
 				},
 			},
-			&revel.MethodType{
-				Name: "Show",
-				Args: []*revel.MethodArg{ 
-					&revel.MethodArg{Name: "locationID", Type: reflect.TypeOf((*int)(nil)) },
-				},
-				RenderArgNames: map[int][]string{ 
-				},
-			},
 
 		})
 

conf/routes

@@ -18,6 +18,6 @@ GET     /public/*filepath                       Static.Serve("public")
 # Catch all
 *       /:controller/:action                    :controller.:action
 
-GET     /locations                              Locations.List
-GET     /locations/:locationID                  Locations.Show
+#GET     /locations                              Locations.List
+#GET     /locations/:locationID                  Locations.Show
 GET     /locations/random                       Locations.Random