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import { UserSettingsEntity } from "./user-settings.entity";
import { RedisService } from "../redis/redis.service";
@Injectable()
export class UserSettingsRepository {
constructor(private readonly redisService: RedisService) {}
async findByUserId(userId: string): Promise<UserSettingsEntity | null> {
const settingsKey = this.redisService.generateKey("user-settings", userId);
const settingsData = await this.redisService.get(settingsKey);
if (!settingsData) {
return null;
}
try {
const parsedData = JSON.parse(settingsData) as {
id: string;
userId: string;
createdAt: string;
updatedAt: string;
settings: {
categories: Array<{
id: string;
name: string;
color: string;
createdAt: string;
order?: number;
}>;
categoryFilter: { [categoryId: string]: boolean };
theme: "light" | "dark" | "system";
language: string;
};
};
return new UserSettingsEntity({
...parsedData,
createdAt: new Date(parsedData.createdAt),
updatedAt: new Date(parsedData.updatedAt),
settings: {
...parsedData.settings,
categories: parsedData.settings.categories.map((cat) => ({
...cat,
createdAt: new Date(cat.createdAt),
})),
},
});
} catch (error) {
console.error("Error parsing user settings from Redis:", error);
return null;
}
}
async create(userSettings: UserSettingsEntity): Promise<UserSettingsEntity> {
const settingsKey = this.redisService.generateKey(
"user-settings",
userSettings.userId,
);
const settingsListKey = this.redisService.generateKey(
"user-settings",
"list",
);
const settingsData = {
...userSettings,
createdAt: userSettings.createdAt.toISOString(),
updatedAt: userSettings.updatedAt.toISOString(),
settings: {
...userSettings.settings,
categories: userSettings.settings.categories.map((cat) => ({
...cat,
createdAt: cat.createdAt.toISOString(),
})),
},
};
await this.redisService.set(settingsKey, JSON.stringify(settingsData));
await this.redisService.zadd(
settingsListKey,
userSettings.createdAt.getTime(),
userSettings.userId,
);
return userSettings;
}
async update(
userId: string,
userSettings: UserSettingsEntity,
): Promise<UserSettingsEntity | null> {
const settingsKey = this.redisService.generateKey("user-settings", userId);
const existingSettings = await this.findByUserId(userId);
if (!existingSettings) {
return null;
}
const settingsData = {
...userSettings,
createdAt: userSettings.createdAt.toISOString(),
updatedAt: userSettings.updatedAt.toISOString(),
settings: {
...userSettings.settings,
categories: userSettings.settings.categories.map((cat) => ({
...cat,
createdAt: cat.createdAt.toISOString(),
})),
},
};
await this.redisService.set(settingsKey, JSON.stringify(settingsData));
return userSettings;
}
async delete(userId: string): Promise<boolean> {
const settingsKey = this.redisService.generateKey("user-settings", userId);
const settingsListKey = this.redisService.generateKey(
"user-settings",
"list",
);
const result = await this.redisService.del(settingsKey);
await this.redisService.zrem(settingsListKey, userId);
return result > 0;
}
// Find or create user settings (helper method)
async findOrCreate(userId: string): Promise<UserSettingsEntity> {
let settings = await this.findByUserId(userId);
if (!settings) {
settings = UserSettingsEntity.createDefault(userId);
await this.create(settings);
}
return settings;
}
}
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