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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 | import { Injectable, NotFoundException, ConflictException } from '@nestjs/common'; import { InjectModel } from '@nestjs/mongoose'; import { Model } from 'mongoose'; import * as bcrypt from 'bcryptjs'; import { User, UserDocument } from '../../database/schemas/user.schema'; import { UserSavings, UserSavingsDocument } from '../../database/schemas/user-savings.schema'; import { CreateUserDto } from './dto/create-user.dto'; import { UpdateUserDto } from './dto/update-user.dto'; @Injectable() export class UsersService { constructor( @InjectModel(User.name) private userModel: Model<UserDocument>, @InjectModel(UserSavings.name) private userSavingsModel: Model<UserSavingsDocument>, ) {} async create(createUserDto: CreateUserDto): Promise<User> { // Check if user already exists const existingUser = await this.userModel.findOne({ email: createUserDto.email }); Iif (existingUser) { throw new ConflictException('User with this email already exists'); } // Hash password if provided let hashedPassword: string | undefined; Iif (createUserDto.password) { hashedPassword = await bcrypt.hash(createUserDto.password, 12); } // Create user const user = new this.userModel({ ...createUserDto, password: hashedPassword, }); const savedUser = await user.save(); // Initialize user savings record await this.initializeUserSavings(savedUser._id); return savedUser; } async findAll(page = 1, limit = 10, filters: any = {}): Promise<{ users: User[]; total: number; page: number; totalPages: number }> { const skip = (page - 1) * limit; const query = { isActive: true, ...filters }; const [users, total] = await Promise.all([ this.userModel .find(query) .select('-password') .sort({ createdAt: -1 }) .skip(skip) .limit(limit) .exec(), this.userModel.countDocuments(query), ]); return { users, total, page, totalPages: Math.ceil(total / limit), }; } async findOne(id: string): Promise<User> { const user = await this.userModel .findById(id) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async findByEmail(email: string): Promise<User | null> { return this.userModel.findOne({ email, isActive: true }).exec(); } async findByEmailWithPassword(email: string): Promise<User | null> { return this.userModel.findOne({ email, isActive: true }).select('+password').exec(); } async findByOAuthProvider(provider: string, providerId: string): Promise<User | null> { const query = { [`oauthProviders.${provider}`]: providerId, isActive: true }; return this.userModel.findOne(query).exec(); } async update(id: string, updateUserDto: UpdateUserDto): Promise<User> { // Hash password if being updated Iif (updateUserDto.password) { updateUserDto.password = await bcrypt.hash(updateUserDto.password, 12); } const user = await this.userModel .findByIdAndUpdate(id, updateUserDto, { new: true }) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async updateLastActive(id: string): Promise<void> { await this.userModel.findByIdAndUpdate(id, { lastActiveAt: new Date() }).exec(); } async linkOAuthProvider(userId: string, provider: string, providerId: string): Promise<User> { const updateData = { [`oauthProviders.${provider}`]: providerId }; const user = await this.userModel .findByIdAndUpdate(userId, updateData, { new: true }) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async verifyEmail(id: string): Promise<User> { const user = await this.userModel .findByIdAndUpdate( id, { 'verification.email': true }, { new: true } ) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async verifyPhone(id: string): Promise<User> { const user = await this.userModel .findByIdAndUpdate( id, { 'verification.phone': true }, { new: true } ) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async updateTier(id: string, tier: 'basic' | 'premium' | 'vip'): Promise<User> { const user = await this.userModel .findByIdAndUpdate(id, { tier }, { new: true }) .select('-password') .exec(); Iif (!user) { throw new NotFoundException('User not found'); } return user; } async deactivate(id: string): Promise<void> { const user = await this.userModel.findByIdAndUpdate(id, { isActive: false }).exec(); Iif (!user) { throw new NotFoundException('User not found'); } } async getUserSavings(userId: string): Promise<UserSavings> { const savings = await this.userSavingsModel.findOne({ userId }).exec(); Iif (!savings) { // Initialize savings if not exists return this.initializeUserSavings(userId); } return savings; } async updateSavings(userId: string, amount: number, source: string): Promise<UserSavings> { const now = new Date(); const currentMonth = now.getMonth(); const currentYear = now.getFullYear(); let savings = await this.userSavingsModel.findOne({ userId }).exec(); Iif (!savings) { return await this.initializeUserSavings(userId); } // Update totals savings.totalSaved += amount; savings.yearToDateSaved += amount; // Check if it's a new month (reset monthly savings) const lastUpdate = savings.updatedAt || (savings as any).createdAt; if (lastUpdate.getMonth() !== currentMonth || lastUpdate.getFullYear() !== currentYear) { savings.monthlySaved = amount; } else { savings.monthlySaved += amount; } // Update best deal if applicable Iif (amount > savings.bestDealAmount) { savings.bestDealAmount = amount; } // Update savings breakdown switch (source) { case 'coupon': savings.savingsBreakdown.coupons += amount; break; case 'price_drop': savings.savingsBreakdown.priceDrops += amount; break; case 'comparison': savings.savingsBreakdown.comparisons += amount; break; case 'exclusive_deal': savings.savingsBreakdown.exclusiveDeals += amount; break; } return savings.save(); } private async initializeUserSavings(userId: string): Promise<UserSavings> { const savings = new this.userSavingsModel({ userId, totalSaved: 0, monthlySaved: 0, yearToDateSaved: 0, bestDealAmount: 0, savingsBreakdown: { coupons: 0, priceDrops: 0, comparisons: 0, exclusiveDeals: 0, }, goals: [], achievements: [], statistics: { totalPurchases: 0, averageSavings: 0, favoriteCategories: [], preferredRetailers: [], shoppingFrequency: 'weekly', }, }); return savings.save(); } async validatePassword(user: User, password: string): Promise<boolean> { Iif (!user.password) return false; return bcrypt.compare(password, user.password); } async getUserStats(): Promise<any> { const [totalUsers, activeUsers, premiumUsers, vipUsers] = await Promise.all([ this.userModel.countDocuments(), this.userModel.countDocuments({ isActive: true }), this.userModel.countDocuments({ tier: 'premium', isActive: true }), this.userModel.countDocuments({ tier: 'vip', isActive: true }), ]); return { totalUsers, activeUsers, premiumUsers, vipUsers, conversionRate: totalUsers > 0 ? ((premiumUsers + vipUsers) / totalUsers) * 100 : 0, }; } } |