From 72a704b8cb0a27430eac595fec2f1f525b2197a0 Mon Sep 17 00:00:00 2001
From: Bob Farrell <git@bob.frl>
Date: Tue, 29 Oct 2024 22:43:01 +0000
Subject: [PATCH] WIP

---
 build.zig                    | 24 +++++++++++++++++++++---
 src/jetzig/DefaultSchema.zig |  1 +
 src/jetzig/testing/App.zig   |  1 +
 3 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100644 src/jetzig/DefaultSchema.zig

diff --git a/build.zig b/build.zig
index e2683f7..629f5e8 100644
--- a/build.zig
+++ b/build.zig
@@ -210,14 +210,21 @@ pub fn jetzigInit(b: *std.Build, exe: *std.Build.Step.Compile, options: JetzigIn
     exe_static_routes.root_module.addImport("jetzig", jetzig_module);
     exe_static_routes.root_module.addImport("zmpl", zmpl_module);
     exe_static_routes.root_module.addImport("main", main_module);
-    // TODO: Prevent failure if schema file not present.
-    const schema_module = b.createModule(.{ .root_source_file = b.path("src/app/database/Schema.zig") });
+
+    const schema_module = if (try isSourceFile(b, "src/app/database/Schema.zig"))
+        b.createModule(.{ .root_source_file = b.path("src/app/database/Schema.zig") })
+    else
+        jetzig_dep.builder.createModule(
+            .{ .root_source_file = jetzig_dep.builder.path("src/jetzig/DefaultSchema.zig") },
+        );
+    exe_static_routes.root_module.addImport("Schema", schema_module);
+    exe.root_module.addImport("Schema", schema_module);
+
     schema_module.addImport("jetzig", jetzig_module);
 
     exe_static_routes.root_module.addImport("routes", routes_module);
     exe_static_routes.root_module.addImport("jetzig", jetzig_module);
     exe_static_routes.root_module.addImport("zmpl", zmpl_module);
-    exe_static_routes.root_module.addImport("Schema", schema_module);
 
     const markdown_fragments_write_files = b.addWriteFiles();
     const path = markdown_fragments_write_files.add("markdown_fragments.zig", try generateMarkdownFragments(b));
@@ -349,3 +356,14 @@ fn getMarkdownFragmentsSource(allocator: std.mem.Allocator, source: [:0]const u8
 
     return null;
 }
+
+fn isSourceFile(b: *std.Build, path: []const u8) !bool {
+    const dir = try std.fs.openDirAbsolute(b.build_root.path.?, .{});
+    const stat = dir.statFile(path) catch |err| {
+        switch (err) {
+            error.FileNotFound => return false,
+            else => return err,
+        }
+    };
+    return stat.kind == .file;
+}
diff --git a/src/jetzig/DefaultSchema.zig b/src/jetzig/DefaultSchema.zig
new file mode 100644
index 0000000..9d6ce2c
--- /dev/null
+++ b/src/jetzig/DefaultSchema.zig
@@ -0,0 +1 @@
+// An empty schema imported when no `src/app/database/Schema.zig` is present.
diff --git a/src/jetzig/testing/App.zig b/src/jetzig/testing/App.zig
index 70b53db..b58e14f 100644
--- a/src/jetzig/testing/App.zig
+++ b/src/jetzig/testing/App.zig
@@ -114,6 +114,7 @@ pub fn request(
         .cache = self.cache,
         .job_queue = self.job_queue,
         .global = undefined,
+        .repo = undefined, // TODO - database test helpers
     };
 
     try server.decodeStaticParams();