MaCH repo

04_todo_single_file/main.c

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+#include <mach.h>
+#include <sqlite.h>
+#include <session_auth.h>
+
+config mach(){
+  return (config) {
+    .resources = {{
+      {"home", "/",
+        .get = {{
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<p>home</p>"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }}
+      },
+
+      {"about", "/about",
+        .get = {{
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<p>about us</p>"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }}
+      },
+
+      {"contact", "/contact",
+        .get = {{
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<p>contact us</p>"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }}
+      },
+
+      {"todos", "/todos",
+        .get = {{
+          query((d){
+            .set = "todos",
+            .db = "todos_db",
+            .query =
+              "select id, title, finished "
+              "from todos "
+              "where user_id = {{user_id}};"
+          }),
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<form action='{{url:todos}}' method='post'>"
+                  "<input type='text' name='title' placeholder='new todo' required>"
+                  "<button type='submit'>add</button>"
+                "</form>"
+                "{{^todos}}"
+                  "<p>no todos</p>"
+                "{{/todos}}"
+                "{{#todos}}"
+                  "{{#.}}"
+                    "{{> todo}}"
+                  "{{/.}}"
+                "{{/todos}}"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }},
+
+        .post = {{
+          validate((v){
+            .name = "title",
+            .validation = "^\\S{1,16}$",
+            .message = "must be 1-16 characters, no spaces"
+          }),
+          query((d){
+            .db = "todos_db",
+            .query =
+              "insert into todos(user_id, title) "
+              "values({{user_id}}, {{title}});"
+          }),
+          redirect((u){"todos"})
+        }},
+
+        .before = {logged_in()},
+
+        .context = {
+          {"todo",
+            "<div>"
+              "<form action='{{url:todo:id}}' method='post' style='display:inline'>"
+                "<input type='hidden' name='http_method' value='patch'>"
+                "{{^finished}}"
+                  "<input type='checkbox' name='finished' value='1'>"
+                "{{/finished}}"
+                "{{#finished}}"
+                  "<input type='checkbox' name='finished' value='1' checked>"
+                "{{/finished}}"
+                "{{title}}"
+                "<button type='submit'>save</button>"
+              "</form>"
+              "<form action='{{url:todo:id}}' method='post' style='display:inline'>"
+                "<input type='hidden' name='http_method' value='delete'>"
+                "<button type='submit'>delete</button>"
+              "</form>"
+            "</div>"
+          }
+        }
+      },
+
+      {"todo", "/todos/:id",
+        .patch = {{
+          validate((v){
+            .name = "finished",
+            .optional = true,
+            .validation = "1",
+            .message = "must be 1"
+          }),
+          query((d){
+            .db = "todos_db",
+            .query =
+              "update todos "
+              "set finished = {{finished}} "
+              "where user_id = {{user_id}} "
+                "and id = {{id}};"
+          }),
+          redirect((u){"todos"})
+        }},
+
+        .delete = {{
+          query((d){
+            .db = "todos_db",
+            .query =
+              "delete from todos "
+              "where user_id = {{user_id}} "
+                "and id = {{id}};"
+          }),
+          redirect((u){"todos"})
+        }},
+
+        .before = {
+          logged_in(),
+          validate((v){
+            .name = "id",
+            .validation = "^\\d{1,10}$",
+            .message = "must be between 1-9999999999"
+          })
+        }
+      }},
+
+      .before = {session()},
+
+      .context = {
+        {"layout",
+          "<html>"
+            "<head>"
+              "<link rel='icon' href='{{asset:favicon.png}}'>"
+            "</head>"
+            "<body>"
+              "<p>"
+                "{{^user}}"
+                  "<a href='{{url:login}}'>sign in</a>"
+                "{{/user}}"
+                "{{#user}}"
+                  "welcome, {{short_name}}"
+                "{{/user}}"
+              "</p>"
+              "<nav>"
+                "<a href='{{url:home}}'>home</a>"
+                "<a href='{{url:about}}'>about us</a>"
+                "<a href='{{url:contact}}'>contact us</a>"
+                "<a href='{{url:todos}}'>todos</a>"
+              "</nav>"
+              "{{$body}}"
+              "{{/body}}"
+            "</body>"
+          "</html>"
+        }
+      },
+
+      .errors = {
+        {http_error, {
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<p>error</p>"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }},
+
+        {http_not_found, {
+          render((r){
+            "{{< layout}}"
+              "{{$body}}"
+                "<p>not found</p>"
+              "{{/body}}"
+            "{{/layout}}"
+          })
+        }}
+      }
+    },
+      
+    .databases = {{
+      .engine = sqlite_db,
+      .name = "todos_db",
+      .connect = "file:todo.db?mode=rwc",
+      .migrations = {
+        "CREATE TABLE IF NOT EXISTS todos ( "
+          "id INTEGER PRIMARY KEY AUTOINCREMENT, "
+          "user_id INTEGER NOT NULL, "
+          "title TEXT NOT NULL, "
+          "finished INTEGER CHECK(finished IN (1))"
+        "); "
+        "CREATE INDEX IF NOT EXISTS idx_todos_user_id ON todos(user_id);"
+      }
+    }},
+      
+    .modules = {sqlite, session_auth}
+  };
+}