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const std = @import("std");
const Response = @import("../Response.zig");
const Route = @import("../Route.zig");
const Parameter = @import("../Parameter.zig");
const Interface = @import("Interface.zig");
pub fn Context(comptime r: anytype) type {
return struct {
pub const route = Route.fromAny(r);
pub const Params = Parameter.Struct(route);
pub const Request = struct {
base_request: *std.http.Server.Request,
params: Params,
arena: std.mem.Allocator,
gpa: std.mem.Allocator,
io: std.Io,
/// Parses the body of the request and returns type `T`.
/// The arena allocator will be used to do the parsing.
pub fn json(self: @This(), T: type) !T {
var buffer: [1024]u8 = undefined;
var reader = std.json.Reader.init(self.arena, self.base_request.readerExpectNone(&buffer));
return std.json.parseFromTokenSourceLeaky(T, self.arena, &reader, .{});
}
};
const badRequest = struct {
pub fn badRequest(_: Request) Response {
return .with(.bad_request, .string("method does not exist"));
}
}.badRequest;
get: *const fn (Request) Response = badRequest,
post: *const fn (Request) Response = badRequest,
delete: *const fn (Request) Response = badRequest,
head: *const fn (Request) Response = badRequest,
put: *const fn (Request) Response = badRequest,
connect: *const fn (Request) Response = badRequest,
options: *const fn (Request) Response = badRequest,
trace: *const fn (Request) Response = badRequest,
patch: *const fn (Request) Response = badRequest,
pub fn handle(
self: *const @This(),
gpa: std.mem.Allocator,
arena: std.mem.Allocator,
io: std.Io,
request: *std.http.Server.Request,
) Response {
const req: Request = .{
.base_request = request,
.arena = arena,
.gpa = gpa,
.io = io,
.params = Parameter.parse(Params, &route, request.head.target),
};
return (switch (request.head.method) {
.GET => self.get,
.POST => self.post,
.DELETE => self.delete,
.HEAD => self.head,
.PUT => self.put,
.CONNECT => self.connect,
.OPTIONS => self.options,
.TRACE => self.trace,
.PATCH => self.patch,
})(req);
}
pub fn interface(self: *const @This()) Interface {
return .from(self, route);
}
};
}
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