From 6a8a204020449fee3d8ef5e6175932e3731389f0 Mon Sep 17 00:00:00 2001
From: Martin Ashby <martin@ashbysoft.com>
Date: Mon, 14 Aug 2023 21:45:25 +0100
Subject: Misc fixes: - fix template in comments.html: whitespace before tag
 names is not   allowed - update mustache-zig version - null-terminate field
 names in zig struts, for C interop with   PQfnumber function

---
 zig-comments/src/main.zig | 40 +++++++++++++++++++++++++++++++++-------
 1 file changed, 33 insertions(+), 7 deletions(-)

(limited to 'zig-comments/src/main.zig')

diff --git a/zig-comments/src/main.zig b/zig-comments/src/main.zig
index 951f5f0..0a7bca1 100644
--- a/zig-comments/src/main.zig
+++ b/zig-comments/src/main.zig
@@ -75,17 +75,43 @@ fn constresponse(res: *std.http.Server.Response, rr: []const u8, status: std.htt
     try res.finish();
 }
 
-fn get_comments(res: *std.http.Server.Response, ctx: Ctx, _: Params) Err!void {
-    _ = ctx;
-    // Run SQL
-    // Render comments template
-    //zws.parse
+fn get_comments(res: *std.http.Server.Response, ctx: Ctx, params: Params) Err!void {
+    _ = params;
+    var p = try zws.Path.parse(res.allocator, res.request.target);
+    defer p.deinit();
+    const url: []const u8 = try p.get_query_param("url") orelse {
+        try badrequest(res, ctx);
+        return;
+    };
+
+    const Comment = struct {
+        author: []const u8,
+        comment: []const u8,
+        ts: []const u8,
+    };
+    var comments = std.ArrayList(Comment).init(res.allocator);
+    var stmt = try ctx.db.prepare_statement(res.allocator,
+        \\ select author,comment,ts from comments where url = $1 order by ts
+    );
+    defer stmt.deinit();
+    try stmt.bind(0, url);
+    while (try stmt.step()) {
+        const cmt = try stmt.read_struct(Comment);
+        try comments.append(cmt);
+    }
 
     const rr = @embedFile("templates/comments.html");
-    res.transfer_encoding = .{ .content_length = rr.len };
+    const tt = comptime mustache.parseComptime(rr, .{}, .{});
+    res.transfer_encoding = .chunked;
     try res.headers.append("content-type", "text/html");
     try res.do();
-    try res.writeAll(rr);
+
+    const data = struct {
+        comments: []const Comment,
+    };
+    try mustache.render(tt, data{
+        .comments = comments.items,
+    }, res.writer());
     try res.finish();
 }
 
-- 
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