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const std = @import("std");
const Storage = @import("../root.zig");
const id_size = 32;
const log = std.log.scoped(.image);
fn new_id() [id_size]u8 {
var buffer: [id_size]u8 = undefined;
var raw_buffer: [id_size / 2]u8 = undefined;
std.crypto.random.bytes(&raw_buffer);
var writer = std.Io.Writer.fixed(buffer[0..]);
writer.print("{x}", .{raw_buffer}) catch unreachable;
return buffer[0..].*;
}
const Self = @This();
id: []const u8,
pub fn new(
storage: *Storage,
reader: *std.Io.Reader,
size: usize,
) !Self {
var dir = try storage.dir.openDir("image", .{});
defer dir.close();
var file_name: [id_size+4]u8 = undefined;
const self: Self = .{ .id = &new_id() };
@memcpy(file_name[0..id_size], self.id);
@memcpy(file_name[id_size..], ".jpg");
var image_file = try dir.createFile(&file_name, .{});
defer image_file.close();
var buffer: [1024]u8 = undefined;
var file_writer = image_file.writer(&buffer);
try reader.streamExact(&file_writer.interface, size);
try file_writer.interface.flush();
log.info("uploaded {s} [{} bytes]", .{self.id, size});
return self;
}
pub fn init(allocator: std.mem.Allocator, id: []const u8) !Self {
return .{
.id = try allocator.dupe(u8, id),
};
}
pub fn file(self: *Self, storage: *Storage) !std.fs.File {
var dir = storage.dir.openDir("image", .{}) catch blk: {
try storage.dir.makeDir("image");
break :blk try storage.dir.openDir("image", .{});
};
defer dir.close();
var file_name: [id_size+4]u8 = undefined;
@memcpy(file_name[0..id_size], self.id);
@memcpy(file_name[id_size..], ".jpg");
return dir.openFile(&file_name, .{});
}
pub fn deinit(self: *Self, allocator: std.mem.Allocator) void {
allocator.free(self.id);
}
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