add ability to specify tag type to html_form

[chirp] / src / main.zig

diff --git a/src/main.zig b/src/main.zig
index 0800e2b41439a301da86e345d4b30388577195fd..164606f245754a94d5998a779833f42b3d715783 100644 (file)
--- a/src/main.zig
+++ b/src/main.zig
@@ -29,8 +29,11 @@ const User = struct {
     id: UserId,
     name: Username,
     display_name: DisplayName,
+    description: UserDescription,
     password_hash: PasswordHash,
+
     posts: PostList,
+
     following: UserList,
     followers: UserList,
 
@@ -82,6 +85,7 @@ const PostId = enum(u64) { _ };
 const Timestamp = i64;
 const Username = std.BoundedArray(u8, 32);
 const DisplayName = std.BoundedArray(u8, 64);
+const UserDescription = std.BoundedArray(u8, 1024);
 const PasswordHash = std.BoundedArray(u8, 128);
 const SessionToken = u64;
 const CookieValue = std.BoundedArray(u8, 128);
@@ -107,28 +111,19 @@ fn reencode(comptime T: type, text: []const u8) !T {
         const c = text[idx];
         if (c == '+') {
             try result.append(' ');
-        } else if (c == '%') {
-            // special case of &#...
-            // assume only &#, no &#x
-            if (idx + 6 < text.len and std.mem.eql(u8, text[idx .. idx + 6], "%26%23")) {
-                const num_start = idx + 6;
-                var num_end = num_start;
-                while (num_end < text.len and std.ascii.isDigit(text[num_end])) {
-                    num_end += 1;
-                }
+        } else if (c == '%' and idx + 2 < text.len) {
+            const allow = &[_]u8{ 0x26, 0x23, 0x3b, 0x0a };
 
-                if (num_end + 2 < text.len and
-                    text[num_end] == '%' and
-                    text[num_end + 1] == '3' and
-                    std.ascii.toLower(text[num_end + 2]) == 'b')
-                {
-                    try std.fmt.format(result.writer(), "&#{s};", .{text[num_start..num_end]});
-                    idx = num_end + 2;
-                    continue;
-                }
+            const escaped_value = std.fmt.parseUnsigned(u8, text[idx + 1 .. idx + 3], 16) catch continue;
+
+            if (escaped_value == 0x0d) {
+                try std.fmt.format(result.writer(), "<br />", .{});
+            } else if (std.mem.indexOfScalar(u8, allow, escaped_value) != null) {
+                try std.fmt.format(result.writer(), "{c}", .{escaped_value});
+            } else {
+                try std.fmt.format(result.writer(), "&#x{x};", .{escaped_value});
             }
 
-            try std.fmt.format(result.writer(), "&#x{s};", .{text[idx + 1 .. idx + 3]});
             idx += 2;
         } else {
             try result.append(c);
@@ -223,6 +218,7 @@ const Chirp = struct {
                 .id = user_id,
                 .name = username_array,
                 .display_name = display_name,
+                .description = try UserDescription.init(0),
                 .password_hash = try hash_password(password),
                 .posts = try PostList.init(txn),
                 .following = try UserList.init(txn),
@@ -513,10 +509,16 @@ fn html_form(res: *http.Response, action: []const u8, inputs: anytype) !void {
 
     inline for (inputs) |input| {
         switch (@typeInfo(@TypeOf(input))) {
-            .Struct => {
-                try res.write("<input ", .{});
-                try res.write(input[0], input[1]);
-                try res.write(" />", .{});
+            .Struct => |s| {
+                if (s.fields.len == 3) {
+                    try res.write("<{s} ", .{input[0]});
+                    try res.write(input[1], input[2]);
+                    try res.write("></{s}>", .{input[0]});
+                } else {
+                    try res.write("<input ", .{});
+                    try res.write(input[0], input[1]);
+                    try res.write(" />", .{});
+                }
             },
             else => {
                 try res.write("<input ", .{});
@@ -703,8 +705,8 @@ fn write_post(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_id: Po
             try res.write("<option value=\"{x}\">{s}{s}</option>", .{ id, name.constSlice(), if (list_view.has(post_id) catch false) " *" else "" });
         }
         try res.write("</select>", .{});
-        try res.write("<input type=\"hidden\" name=\"post_id\" value=\"{x}\"></input>", .{@intFromEnum(post_id)});
-        try res.write("<input type=\"submit\" value=\"Save\"></input>", .{});
+        try res.write("<input type=\"hidden\" name=\"post_id\" value=\"{x}\" />", .{@intFromEnum(post_id)});
+        try res.write("<input type=\"submit\" value=\"Save\" />", .{});
         try res.write("</form>", .{});
     }
 
@@ -784,8 +786,8 @@ fn write_profile(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: Us
             try res.write("<option value=\"{x}\">{s}{s}</option>", .{ id, name.constSlice(), if (list_view.has(user.id) catch false) " *" else "" });
         }
         try res.write("</select>", .{});
-        try res.write("<input type=\"hidden\" name=\"user_id\" value=\"{x}\"></input>", .{@intFromEnum(user.id)});
-        try res.write("<input type=\"submit\" value=\"Add to feed\"></input>", .{});
+        try res.write("<input type=\"hidden\" name=\"user_id\" value=\"{x}\" />", .{@intFromEnum(user.id)});
+        try res.write("<input type=\"submit\" value=\"Add to feed\" />", .{});
         try res.write("</form>", .{});
     }
     try res.write(
@@ -814,6 +816,15 @@ fn write_profile(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: Us
         , .{});
     }
 
+    if (user.description.len > 0) {
+        try res.write(
+            \\<div style="padding-left: 5px; border-left: 1px solid grey;">
+            // \\&#x00AB; {s} &#x00BB;
+            \\<i>{s}</i>
+            \\</div>
+        , .{user.description.constSlice()});
+    }
+
     try res.write("<br />", .{});
 }
 fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_list: PostList, options: struct {
@@ -1258,6 +1269,11 @@ const GET = struct {
                 .{ "type=\"text\" name=\"display_name\" placeholder=\"{s}\"", .{login.user.display_name.constSlice()} },
                 "type=\"submit\" value=\"Change\"",
             });
+            try self.res.write("<br />Description: ", .{});
+            try html_form(self.res, "/set_description", .{
+                .{ "textarea", "type=\"text\" name=\"description\" placeholder=\"{s}\"", .{login.user.description.constSlice()} },
+                "type=\"submit\" value=\"Change\"",
+            });
             try self.res.write("<br />Password: ", .{});
             try html_form(self.res, "/set_password", .{
                 "type=\"text\" name=\"password\"",
@@ -1381,6 +1397,18 @@ const POST = struct {
         user.display_name = display_name;
         try users.put(login.user.id, user);
     }
+    pub fn @"/set_description"(self: Self, args: struct { description: []const u8 }) !void {
+        const login = self.logged_in orelse return error.NotLoggedIn;
+        const description = try reencode(UserDescription, args.description);
+
+        const txn = try self.env.txn();
+        defer txn.commit() catch {};
+
+        const users = try Db.users(txn);
+        var user = login.user;
+        user.description = description;
+        try users.put(login.user.id, user);
+    }
     pub fn @"/set_password"(self: Self, args: struct { password: []const u8 }) !void {
         const login = self.logged_in orelse return error.NotLoggedIn;
 
@@ -1653,9 +1681,10 @@ pub fn main() !void {
         server.wait();
         while (true) {
             const req = (server.next_request(&req_buffer) catch break) orelse break;
-            handle_request(env, req) catch {
-                try handle_error(env, req);
-            };
+            // handle_request(env, req) catch {
+            //     try handle_error(env, req);
+            // };
+            try handle_request(env, req);
         }
     }
     // const ThreadCount = 1;