Day 11: make things neat

Signed-off-by: Aaron Fischer <mail@aaron-fischer.net>

src/main.zig

@@ -40,7 +40,9 @@ pub fn main() !void {
     if (eql(u8, firstArg, "list")) {
         listEntries();
     } else if (eql(u8, firstArg, "create")) {
-        try createNewEntry();
+        createNewEntry() catch |err| {
+            write(Target.Stderr, "error while creating new entry: {any}\n", .{err});
+        };
     } else {
         write(Target.Stderr, "Unknown subcommand: {any}\n", .{firstArg});
     }
@@ -48,7 +50,12 @@ pub fn main() !void {
 
 fn createNewEntry() !void {
     // Open the file in append mode
-    const file = try std.fs.cwd().openFile("entries.log.gmi", .{ .mode = .read_write });
+    const file = std.fs.cwd().openFile("entries.log.gmi", .{
+        .mode = .read_write
+    }) catch |err| {
+        write(Target.Stderr, "unable to open file: {any}\n", .{err});
+        return;
+    };
     defer file.close();
     try file.seekFromEnd(0);
 
@@ -65,13 +72,19 @@ fn createNewEntry() !void {
 
     // Read the input content from STDIN and append it to the file
     var buf: [1024]u8 = undefined;
-    while (try stdin.readUntilDelimiterOrEof(&buf, '\n')) |line| {
-        try file.writeAll("\n");
-        try file.writeAll(date);
-        try file.writeAll(line);
+
+    try file.writeAll(date);
+
+    while (stdin.readUntilDelimiterOrEof(&buf, '\n')) |line| {
+        try file.writeAll(line orelse break);
         try file.writeAll("\n");
+    } else |err| {
+        write(Target.Stderr, "error while reading from stdin: {any}\n", .{err});
+        return;
     }
 
+    try file.writeAll("\n");
+
     // Print some success message and the back link to STDOUT
     try stdout.print("Entry added successfully\n", .{});
     try stdout.print("=> / Back to the log entries", .{});

zig-out/bin/entries.log.gmi

@@ -1,5 +1,7 @@
 # Server log
 
+=> /create New entry
+
 ## 2024-12-04 23:34 UTC
 This is a simple entry, with multiple lines of text. This should showcase how this is intended.