97 lines
2.5 KiB
Zig
97 lines
2.5 KiB
Zig
const std = @import("std");
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const util = @import("util");
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const sql = @import("sql");
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const db = @import("./db.zig");
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pub const models = @import("./models.zig");
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pub const free = db.free;
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pub const Uuid = util.Uuid;
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pub fn CreateInfo(comptime T: type) type {
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const t_fields = std.meta.fields(T);
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var fields: [t_fields.len - 1]std.builtin.Type.StructField = undefined;
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var count = 0;
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inline for (t_fields) |f| {
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if (std.mem.eql(u8, f.name, "id")) continue;
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fields[count] = f;
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count += 1;
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}
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return @Type(.{ .Struct = .{
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.layout = .Auto,
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.fields = &fields,
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.decls = &[0]std.builtin.Type.Declaration{},
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.is_tuple = false,
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} });
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}
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fn reify(comptime T: type, id: Uuid, val: CreateInfo(T)) T {
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var result: T = undefined;
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result.id = id;
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inline for (std.meta.fields(CreateInfo(T))) |f| {
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@field(result, f.name) = @field(val, f.name);
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}
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return result;
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}
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pub const ApiServer = struct {
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db: db.Database,
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prng: std.rand.DefaultPrng,
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last_id: u64 = 0,
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db2: sql.Sqlite,
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pub fn init(alloc: std.mem.Allocator) !ApiServer {
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return ApiServer{
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.db = try db.Database.init(alloc),
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.prng = std.rand.DefaultPrng.init(1998),
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.db2 = try sql.Sqlite.open("./test.db"),
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};
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}
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fn genUuid(self: *ApiServer, alloc: std.mem.Allocator) ![]const u8 {
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self.last_id += 1;
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return std.fmt.allocPrint(alloc, "{}", .{self.last_id});
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}
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pub fn createNote(self: *ApiServer, info: CreateInfo(models.Note)) !models.Note {
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const id = Uuid.randV4(self.prng.random());
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// TODO: check for dupes
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const note = reify(models.Note, id, info);
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try self.db.notes.put(note);
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return note;
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}
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pub fn createUser(self: *ApiServer, info: CreateInfo(models.User)) !models.User {
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try self.db.users.lock();
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defer self.db.users.unlock();
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// TODO; real queries
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const id = Uuid.randV4(self.prng.random());
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// check for handle dupes
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var iter = self.db.users.data.iterator();
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while (iter.next()) |it| {
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if (std.mem.eql(u8, it.value_ptr.handle, info.handle)) {
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return error.DuplicateHandle;
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}
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}
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// TODO: check for id dupes
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const user = reify(models.User, id, info);
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try self.db.users.put(user);
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return user;
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}
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pub fn getNote(self: *ApiServer, id: Uuid, alloc: std.mem.Allocator) !?models.Note {
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return self.db.notes.get(id, alloc);
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}
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};
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