diamond.views.viewroute source code

1 /**
2 * Copyright © DiamondMVC 2019
3 * License: MIT (https://github.com/DiamondMVC/Diamond/blob/master/LICENSE)
4 * Author: Jacob Jensen (bausshf)
5 */
6 module diamond.views.viewroute;
7 
8 import diamond.core.apptype;
9 
10 static if (isWebServer || !isWeb)
11 {
12   /// Mixin template for generating the getView() function.
13   mixin template GenerateGetView()
14   {
15     import diamond.core.apptype;
16     import std..string : format;
17     import diamondapp;
18 
19     static if (isWebServer)
20     {
21       import diamond.http;
22 
23       /**
24       * Generates the getView() function.
25       * Returns:
26       *   The resulting string of the getView() function to use in a mixin.
27       */
28       string generateGetView()
29       {
30         string getViewMixin = "
31           View getView(HttpClient client, Route route, bool checkRoute, bool keepRoute = false)
32           {
33             auto viewName =
34               routableViews.get(route.name, checkRoute ? null : route.name);
35 
36             if (!viewName)
37             {
38               import diamond.http.routing;
39               viewName = getViewNameFromRoute(route.name);
40             }
41 
42             if (!viewName)
43             {
44               return null;
45             }
46 
47             switch (viewName)
48             {
49         ";
50 
51         mixin LoadViewData!true;
52 
53         foreach (viewName; getViewData().keys)
54         {
55           getViewMixin ~= format(q{
56             case "%s":
57             {
58               if (!keepRoute)
59               {
60                 client.route = route;
61               }
62 
63               return new view_%s(client, "%s");
64             }
65           }, viewName, viewName, viewName);
66         }
67 
68         getViewMixin ~= "
69               default: return null; // 404 ...
70             }
71           }
72         ";
73 
74         return getViewMixin;
75       }
76     }
77     else
78     {
79       /**
80       * Generates the getView() function.
81       * Returns:
82       *   The resulting string of the getView() function to use in a mixin.
83       */
84       string generateGetView()
85       {
86         string getViewMixin = "
87           View getView(string viewName)
88           {
89             if (!viewName || !viewName.length)
90             {
91               return null;
92             }
93 
94             switch (viewName)
95             {
96         ";
97 
98         mixin LoadViewData!true;
99 
100         foreach (viewName; getViewData().keys)
101         {
102           getViewMixin ~= format(q{
103             case "%s":
104             {
105               return new view_%s("%s");
106             }
107           }, viewName, viewName, viewName);
108         }
109 
110         getViewMixin ~= "
111               default: return null; // 404 ...
112             }
113           }
114         ";
115 
116         return getViewMixin;
117       }
118     }
119 
120     mixin(generateGetView);
121   }
122 }