App initialization

build.zig

@@ -23,11 +23,11 @@ pub fn build(b: *std.Build) !void {
     b.installArtifact(exe);
 
     const jetzig_module = b.createModule(.{ .source_file = .{ .path = "src/jetzig.zig" } });
-    // exe.addModule("jetzig", jetzig_module);
-    // lib.addModule("jetzig", jetzig_module);
+    exe.addModule("jetzig", jetzig_module);
+    lib.addModule("jetzig", jetzig_module);
     try b.modules.put("jetzig", jetzig_module);
 
-    const zmpl_module = b.dependency(
+    const zmpl_dep = b.dependency(
         "zmpl",
         .{
             .target = target,
@@ -37,11 +37,14 @@ pub fn build(b: *std.Build) !void {
         },
     );
 
-    lib.addModule("zmpl", zmpl_module.module("zmpl"));
-    exe.addModule("zmpl", zmpl_module.module("zmpl"));
+    lib.addModule("zmpl", zmpl_dep.module("zmpl"));
+    exe.addModule("zmpl", zmpl_dep.module("zmpl"));
+    try b.modules.put("zmpl", zmpl_dep.module("zmpl"));
+    try jetzig_module.dependencies.put("zmpl", zmpl_dep.module("zmpl"));
 
     var dir = std.fs.cwd();
-    var file = try dir.createFile("src/app/views/routes.zig", .{ .truncate = true });
+    var views_dir = try dir.makeOpenPath("src/app/views", .{});
+    var file = try views_dir.createFile("routes.zig", .{ .truncate = true });
     try file.writeAll("pub const routes = .{\n");
     const views = try findViews(b.allocator);
     for (views.items) |view| {
@@ -52,6 +55,9 @@ pub fn build(b: *std.Build) !void {
     try file.writeAll("};\n");
     file.close();
 
+    const init = b.option(bool, "jetzig_init", "Pass -Djetzig_init=true to generate a new Jetzig project.") orelse false;
+    if (init) try initializeNewProject(b);
+
     const run_cmd = b.addRunArtifact(exe);
 
     run_cmd.step.dependOn(b.getInstallStep());
@@ -66,7 +72,7 @@ pub fn build(b: *std.Build) !void {
         .optimize = optimize,
     });
 
-    main_tests.addModule("zmpl", zmpl_module.module("zmpl"));
+    main_tests.addModule("zmpl", zmpl_dep.module("zmpl"));
     const run_main_tests = b.addRunArtifact(main_tests);
 
     const test_step = b.step("test", "Run library tests");
@@ -105,3 +111,22 @@ fn findViews(allocator: std.mem.Allocator) !std.ArrayList(*ViewItem) {
     }
     return array;
 }
+
+fn initializeNewProject(b: *std.Build) !void {
+    try copySourceFile(b, "main.zig");
+    try copySourceFile(b, "app/views/index.zig");
+}
+
+fn copySourceFile(b: *std.Build, path: []const u8) !void {
+    const cwd = std.fs.cwd();
+
+    var dest_dir = try cwd.makeOpenPath("src", .{});
+    defer dest_dir.close();
+    const dest_path = b.pathJoin(&[_][]const u8{ try dest_dir.realpathAlloc(b.allocator, "."), path });
+
+    var src_dir = try cwd.makeOpenPath(b.pathFromRoot("src/init"), .{});
+    defer src_dir.close();
+    const src_path = b.pathJoin(&[_][]const u8{ try src_dir.realpathAlloc(b.allocator, "."), path });
+
+    try std.fs.copyFileAbsolute(src_path, dest_path, .{});
+}

src/app/views/index.zig

@@ -1,12 +1,11 @@
 const std = @import("std");
-
-const jetzig = @import("root").jetzig;
+const jetzig = @import("jetzig");
 const Request = jetzig.http.Request;
 const Data = jetzig.data.Data;
 const View = jetzig.views.View;
 
-pub fn index(request: *Request, data: *Data) anyerror!View {
+pub fn index(request: *jetzig.http.Request, data: *jetzig.data.Data) anyerror!jetzig.views.View {
     var object = try data.object();
-    try object.put("foo", data.string("hello"));
+    try object.put("message", data.string("Welcome to Jetzig!"));
     return request.render(.ok);
 }

src/init/src/app/views/index.zig

@@ -0,0 +1,11 @@
+const std = @import("std");
+const jetzig = @import("jetzig");
+const Request = jetzig.http.Request;
+const Data = jetzig.data.Data;
+const View = jetzig.views.View;
+
+pub fn index(request: *jetzig.http.Request, data: *jetzig.data.Data) anyerror!jetzig.views.View {
+    var object = try data.object();
+    try object.put("message", data.string("Welcome to Jetzig!"));
+    return request.render(.ok);
+}

src/init/src/main.zig

@@ -0,0 +1,19 @@
+const std = @import("std");
+
+pub const jetzig = @import("jetzig");
+pub const templates = @import("app/views/zmpl.manifest.zig").templates;
+pub const routes = @import("app/views/routes.zig").routes;
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer std.debug.assert(gpa.deinit() == .ok);
+    const allocator = gpa.allocator();
+
+    const app = try jetzig.init(allocator);
+    defer app.deinit();
+
+    try app.start(
+        comptime jetzig.route(routes),
+        comptime jetzig.loadTemplates(templates),
+    );
+}

src/main.zig

@@ -1,6 +1,6 @@
 const std = @import("std");
 
-pub const jetzig = @import("jetzig.zig");
+pub const jetzig = @import("jetzig");
 pub const templates = @import("app/views/zmpl.manifest.zig").templates;
 pub const routes = @import("app/views/routes.zig").routes;