queries.FetchNextCardByDeck - Code Metrics - Inspection of "Merge branch 'develop'" - memnix/memnix-rest - Measure and Improve Code Quality continuously with Scrutinizer

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Push — main ( 0c4595...320b76 )

by Yume

created 2021-12-27 15:45 UTC

queries.FetchNextCardByDeck B

↳ Parent: pkg/queries/queries.go

Complexity

Conditions

Size

Total Lines	30
Code Lines	21

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	21
nop	3
dl	0
loc	30
rs	7.9759
c	0
b	0
f	0

package queries

import (
	"errors"
	"math/rand"
	"memnixrest/app/database"
	"memnixrest/app/models"
	"memnixrest/pkg/core"
	"time"

	"github.com/gofiber/fiber/v2"
	"gorm.io/gorm"
)

func DeleteRating(c *fiber.Ctx, user *models.User, deck *models.Deck) models.ResponseHTTP {
	db := database.DBConn

	rating := new(models.Rating)

	if err := db.Where("ratings.user_id = ? AND ratings.deck_id = ?", user.ID, deck.ID).Delete(&rating).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: err.Error(),
			Data:    nil,
			Count:   0,
		}
	}
	return models.ResponseHTTP{
		Success: true,
		Message: "Rating deleted",
		Data:    *rating,
		Count:   1,
	}
}

func GenerateRating(c *fiber.Ctx, rating *models.Rating) models.ResponseHTTP {
	db := database.DBConn
	deck := new(models.Deck)

	if err := db.First(&deck, rating.DeckID).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "Can't find deck matching the ID provided",
			Data:    nil,
			Count:   0,
		}
	}

	access := new(models.Access)

	if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", rating.UserID, rating.DeckID).First(&access).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "You don't have the permissions to rate this deck",
			Data:    nil,
			Count:   0,
		}
	}

	if access.Permission < models.AccessStudent {
		return models.ResponseHTTP{
			Success: false,
			Message: "You are not subscribed to this deck",
			Data:    nil,
			Count:   0,
		}
	}

	oldRating := new(models.Rating)

	if err := db.Joins("User").Joins("Deck").Where("ratings.user_id = ? AND ratings.deck_id = ?", rating.UserID, rating.DeckID).First(&oldRating).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			db.Preload("User").Preload("Deck").Create(rating)
			oldRating = rating
		}
	} else {
		oldRating.Value = rating.Value
		db.Preload("User").Preload("Deck").Save(oldRating)
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Success rate the deck",
		Data:    *oldRating,
		Count:   1,
	}
}

// GenerateAdminAccess
func GenerateCreatorAccess(c *fiber.Ctx, user *models.User, deck *models.Deck) models.ResponseHTTP {
	db := database.DBConn

	access := new(models.Access)

	if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", user.ID, deck.ID).Find(&access).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			access.DeckID = deck.ID
			access.UserID = user.ID
			access.Permission = models.AccessOwner
			db.Create(access)
		}

	} else {
		if access.Permission >= models.AccessStudent {
			return models.ResponseHTTP{
				Success: false,
				Message: "You are already subscribed to this deck. You can't become an owner...",
				Data:    nil,
				Count:   0,
			}
		} else {
			access.DeckID = deck.ID
			access.UserID = user.ID
			access.Permission = models.AccessOwner
			db.Preload("User").Preload("Deck").Save(access)
		}
	}

	log := CreateLog(models.LogSubscribe, user.Username+" subscribed to "+deck.DeckName)
	_ = CreateUserLog(user.ID, *log)
	_ = CreateDeckLog(deck.ID, *log)

	return models.ResponseHTTP{
		Success: true,
		Message: "Success register a creator access !",
		Data:    *access,
		Count:   1,
	}
}

// GenerateAccess
func GenerateAccess(c *fiber.Ctx, user *models.User, deck *models.Deck) models.ResponseHTTP {
	db := database.DBConn

	if deck.Status != models.DeckPublic && user.Permissions != models.PermAdmin {
		return models.ResponseHTTP{
			Success: false,
			Message: "You don't have the permissions to subscribe to this deck!",
			Data:    nil,
			Count:   0,
		}
	}

	access := new(models.Access)

	if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", user.ID, deck.ID).Find(&access).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			access.DeckID = deck.ID
			access.UserID = user.ID
			access.Permission = models.AccessStudent
			db.Preload("User").Preload("Deck").Create(access)
		}

	} else {
		if access.Permission >= models.AccessStudent {
			return models.ResponseHTTP{
				Success: false,
				Message: "You are already subscribed to this deck",
				Data:    nil,
				Count:   0,
			}
		} else {
			access.DeckID = deck.ID
			access.UserID = user.ID
			access.Permission = models.AccessStudent
			db.Preload("User").Preload("Deck").Save(access)
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Success register an access",
		Data:    *access,
		Count:   1,
	}
}

func CheckAccess(c *fiber.Ctx, userID uint, deckID uint, perm models.AccessPermission) models.ResponseHTTP {
	db := database.DBConn // DB Conn

	access := new(models.Access)

	if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id = ?", userID, deckID).First(&access).Error; err != nil {
		access.Permission = models.AccessNone
	}

	if access.Permission < perm {
		return models.ResponseHTTP{
			Success: false,
			Message: "You don't have the permission to access this deck!",
			Data:    *access,
			Count:   1,
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Success checking access permissions",
		Data:    *access,
		Count:   1,
	}
}

func MigrateDb(c *fiber.Ctx) {
	db := database.DBConn

	var memDates []models.MemDate
	var users []models.User

	db.Find(&users)

	ch := make(chan models.Mem)

	for _, user := range users {
		db.Joins("Card").Where("mem_dates.user_id = ?", &user.ID).Find(&memDates)
		for _, memDate := range memDates {
			go func(c *fiber.Ctx, user *models.User, memDate models.MemDate) {
				var mems []models.Mem
				db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", memDate.CardID, user.ID).Order("id asc").Find(&mems)
				for i, mem := range mems {
					if i != len(mems)-1 {
						mem.Quality = mems[i+1].Quality
						db.Save(&mem)
					}
					ch <- mem
				}
			}(c, &user, memDate)
		}
	}

}

func PostMem(c *fiber.Ctx, user models.User, card models.Card, validation models.CardResponseValidation) models.ResponseHTTP {
	db := database.DBConn // DB Conn

	memDate := new(models.MemDate)

	if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?",
		&user.ID, card.ID).First(&memDate).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "MemDate Not Found",
			Data:    nil,
		}
	}

	ex_mem := FetchMem(c, memDate, &user)
	if ex_mem.Efactor == 0 {
		ex_mem = models.Mem{
			UserID:     user.ID,
			CardID:     card.ID,
			Quality:    0,
			Repetition: 0,
			Efactor:    2.5,
			Interval:   0,
		}
	}

	core.UpdateMem(c, &ex_mem, validation)

	return models.ResponseHTTP{
		Success: true,
		Message: "Success Post Mem",
		Data:    nil,
	}
}

func PopulateMemDate(c *fiber.Ctx, user *models.User, deck *models.Deck) models.ResponseHTTP {
	db := database.DBConn // DB Conn
	var cards []models.Card

	if err := db.Joins("Deck").Where("cards.deck_id = ?", deck.ID).Find(&cards).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: err.Error(),
			Data:    nil,
			Count:   0,
		}
	}

	ch := make(chan models.ResponseHTTP)

	for _, s := range cards {
		go func(c *fiber.Ctx, user *models.User, card models.Card) {
			res := GenerateMemDate(c, user, &card)
			ch <- res
		}(c, user, s)
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Success generated mem_date",
		Data:    nil,
		Count:   0,
	}
}

func GetSubUsers(c *fiber.Ctx, deckID uint) []models.User {
	db := database.DBConn // DB Conn

	var users []models.User

	if err := db.Joins("left join accesses ON users.id = accesses.user_id AND accesses.deck_id = ?", deckID).Where("accesses.permission > ?", models.AccessNone).Find(&users).Error; err != nil {
		return nil
	}

	return users

}

func GenerateMemDate(c *fiber.Ctx, user *models.User, card *models.Card) models.ResponseHTTP {
	db := database.DBConn // DB Conn

	memDate := new(models.MemDate)

	if err := db.Joins("User").Joins("Card").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?", user.ID, card.ID).First(&memDate).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {

			memDate = &models.MemDate{
				UserID:   user.ID,
				CardID:   card.ID,
				DeckID:   card.DeckID,
				NextDate: time.Now(),
			}

			db.Create(memDate)
		} else {
			return models.ResponseHTTP{
				Success: false,
				Message: err.Error(),
				Data:    nil,
				Count:   0,
			}
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Success generate MemDate",
		Data:    *memDate,
		Count:   1,
	}
}

// FetchAnswers
func FetchAnswers(c *fiber.Ctx, card *models.Card) []models.Answer {
	var answers []models.Answer
	db := database.DBConn // DB Conn

	if err := db.Joins("Card").Where("answers.card_id = ?", card.ID).Limit(3).Order("random()").Find(&answers).Error; err != nil {
		return nil
	}

	return answers
}

func FetchMem(c *fiber.Ctx, memDate *models.MemDate, user *models.User) models.Mem {
	db := database.DBConn // DB Conn

	mem := new(models.Mem)
	if err := db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", memDate.CardID, user.ID).Order("id desc").First(&mem).Error; err != nil {
		mem.Efactor = 0
	}
	return *mem
}

func GenerateAnswers(c *fiber.Ctx, memDate *models.MemDate) []string {
	var answersList []string

	res := FetchAnswers(c, &memDate.Card)

	if len(res) >= 3 {
		answersList = append(answersList, res[0].Answer, res[1].Answer, res[2].Answer, memDate.Card.Answer)

		rand.Seed(time.Now().UnixNano())
		rand.Shuffle(len(answersList), func(i, j int) { answersList[i], answersList[j] = answersList[j], answersList[i] })
	}

	return answersList

}

func FetchNextCard(c *fiber.Ctx, user *models.User) models.ResponseHTTP {
	db := database.DBConn // DB Conn

	memDate := new(models.MemDate)
	var answersList []string

	// Get next card
	if err := db.Joins(
		"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
		user.ID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND accesses.permission >= ?",
		&user.ID, models.AccessStudent).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "Next card not found",
			Data:    nil,
		}
	}

	mem := FetchMem(c, memDate, user)
	if mem.Efactor <= 1.4 || mem.Quality <= 1 || mem.Repetition < 2 {
		answersList = GenerateAnswers(c, memDate)
		if len(answersList) == 4 {
			memDate.Card.Type = 2 // MCQ
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Get Next Card",
		Data: models.ResponseCard{
			Card:    memDate.Card,
			Answers: answersList,
		},
	}
}

func FetchNextCardByDeck(c *fiber.Ctx, user *models.User, deckID string) models.ResponseHTTP {
	db := database.DBConn // DB Conn

	memDate := new(models.MemDate)
	var answersList []string

	// Get next card
	if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.deck_id = ?",
		&user.ID, deckID).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "Next card by deck not found",
			Data:    nil,
		}
	}

	mem := FetchMem(c, memDate, user)
	if mem.Efactor <= 1.4 || mem.Quality <= 1 || mem.Repetition < 2 || memDate.Card.Type == 2 {
		answersList = GenerateAnswers(c, memDate)
		if len(answersList) == 4 {
			memDate.Card.Type = 2 // MCQ
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Get Next Card By Deck",
		Data: models.ResponseCard{
			Card:    memDate.Card,
			Answers: answersList,
		},
	}
}

// FetchNextTodayCard
func FetchNextTodayCard(c *fiber.Ctx, user *models.User) models.ResponseHTTP {
	db := database.DBConn // DB Conn
	memDate := new(models.MemDate)

	var answersList []string

	// Get next card with date condition
	t := time.Now()

	if err := db.Joins(
		"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
		user.ID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.next_date < ? AND accesses.permission >= ?",
		&user.ID, t.AddDate(0, 0, 1).Add(
			time.Duration(-t.Hour())*time.Hour), models.AccessStudent).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
		return models.ResponseHTTP{
			Success: false,
			Message: "Next today card not found",
			Data:    nil,
		}
	}
	mem := FetchMem(c, memDate, user)
	if mem.Efactor <= 1.4 || mem.Quality <= 1 || mem.Repetition < 2 || memDate.Card.Type == 2 {
		answersList = GenerateAnswers(c, memDate)
		if len(answersList) == 4 {
			memDate.Card.Type = 2 // MCQ
		}
	}

	return models.ResponseHTTP{
		Success: true,
		Message: "Get Next Today Card",
		Data: models.ResponseCard{
			Card:    memDate.Card,
			Answers: answersList,
		},
	}
}


1			package queries
2
3			import (
4			"errors"
5			"math/rand"
6			"memnixrest/app/database"
7			"memnixrest/app/models"
8			"memnixrest/pkg/core"
9			"time"
10
11			"github.com/gofiber/fiber/v2"
12			"gorm.io/gorm"
13			)
14
15			func DeleteRating(c fiber.Ctx, user models.User, deck *models.Deck) models.ResponseHTTP {
16			db := database.DBConn
17
18			rating := new(models.Rating)
19
20			if err := db.Where("ratings.user_id = ? AND ratings.deck_id = ?", user.ID, deck.ID).Delete(&rating).Error; err != nil {
21			return models.ResponseHTTP{
22			Success: false,
23			Message: err.Error(),
24			Data: nil,
25			Count: 0,
26			}
27			}
28			return models.ResponseHTTP{
29			Success: true,
30			Message: "Rating deleted",
31			Data: *rating,
32			Count: 1,
33			}
34			}
35
36			func GenerateRating(c fiber.Ctx, rating models.Rating) models.ResponseHTTP {
37			db := database.DBConn
38			deck := new(models.Deck)
39
40			if err := db.First(&deck, rating.DeckID).Error; err != nil {
41			return models.ResponseHTTP{
42			Success: false,
43			Message: "Can't find deck matching the ID provided",
44			Data: nil,
45			Count: 0,
46			}
47			}
48
49			access := new(models.Access)
50
51			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", rating.UserID, rating.DeckID).First(&access).Error; err != nil {
52			return models.ResponseHTTP{
53			Success: false,
54			Message: "You don't have the permissions to rate this deck",
55			Data: nil,
56			Count: 0,
57			}
58			}
59
60			if access.Permission < models.AccessStudent {
61			return models.ResponseHTTP{
62			Success: false,
63			Message: "You are not subscribed to this deck",
64			Data: nil,
65			Count: 0,
66			}
67			}
68
69			oldRating := new(models.Rating)
70
71			if err := db.Joins("User").Joins("Deck").Where("ratings.user_id = ? AND ratings.deck_id = ?", rating.UserID, rating.DeckID).First(&oldRating).Error; err != nil {
72			if errors.Is(err, gorm.ErrRecordNotFound) {
73			db.Preload("User").Preload("Deck").Create(rating)
74			oldRating = rating
75			}
76			} else {
77			oldRating.Value = rating.Value
78			db.Preload("User").Preload("Deck").Save(oldRating)
79			}
80
81			return models.ResponseHTTP{
82			Success: true,
83			Message: "Success rate the deck",
84			Data: *oldRating,
85			Count: 1,
86			}
87			}
88
89			// GenerateAdminAccess
90			func GenerateCreatorAccess(c fiber.Ctx, user models.User, deck *models.Deck) models.ResponseHTTP {
91			db := database.DBConn
92
93			access := new(models.Access)
94
95			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", user.ID, deck.ID).Find(&access).Error; err != nil {
96			if errors.Is(err, gorm.ErrRecordNotFound) {
97			access.DeckID = deck.ID
98			access.UserID = user.ID
99			access.Permission = models.AccessOwner
100			db.Create(access)
101			}
102
103			} else {
104			if access.Permission >= models.AccessStudent {
105			return models.ResponseHTTP{
106			Success: false,
107			Message: "You are already subscribed to this deck. You can't become an owner...",
108			Data: nil,
109			Count: 0,
110			}
111			} else {
112			access.DeckID = deck.ID
113			access.UserID = user.ID
114			access.Permission = models.AccessOwner
115			db.Preload("User").Preload("Deck").Save(access)
116			}
117			}
118
119			log := CreateLog(models.LogSubscribe, user.Username+" subscribed to "+deck.DeckName)
120			_ = CreateUserLog(user.ID, *log)
121			_ = CreateDeckLog(deck.ID, *log)
122
123			return models.ResponseHTTP{
124			Success: true,
125			Message: "Success register a creator access !",
126			Data: *access,
127			Count: 1,
128			}
129			}
130
131			// GenerateAccess
132			func GenerateAccess(c fiber.Ctx, user models.User, deck *models.Deck) models.ResponseHTTP {
133			db := database.DBConn
134
135			if deck.Status != models.DeckPublic && user.Permissions != models.PermAdmin {
136			return models.ResponseHTTP{
137			Success: false,
138			Message: "You don't have the permissions to subscribe to this deck!",
139			Data: nil,
140			Count: 0,
141			}
142			}
143
144			access := new(models.Access)
145
146			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", user.ID, deck.ID).Find(&access).Error; err != nil {
147			if errors.Is(err, gorm.ErrRecordNotFound) {
148			access.DeckID = deck.ID
149			access.UserID = user.ID
150			access.Permission = models.AccessStudent
151			db.Preload("User").Preload("Deck").Create(access)
152			}
153
154			} else {
155			if access.Permission >= models.AccessStudent {
156			return models.ResponseHTTP{
157			Success: false,
158			Message: "You are already subscribed to this deck",
159			Data: nil,
160			Count: 0,
161			}
162			} else {
163			access.DeckID = deck.ID
164			access.UserID = user.ID
165			access.Permission = models.AccessStudent
166			db.Preload("User").Preload("Deck").Save(access)
167			}
168			}
169
170			return models.ResponseHTTP{
171			Success: true,
172			Message: "Success register an access",
173			Data: *access,
174			Count: 1,
175			}
176			}
177
178			func CheckAccess(c *fiber.Ctx, userID uint, deckID uint, perm models.AccessPermission) models.ResponseHTTP {
179			db := database.DBConn // DB Conn
180
181			access := new(models.Access)
182
183			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id = ?", userID, deckID).First(&access).Error; err != nil {
184			access.Permission = models.AccessNone
185			}
186
187			if access.Permission < perm {
188			return models.ResponseHTTP{
189			Success: false,
190			Message: "You don't have the permission to access this deck!",
191			Data: *access,
192			Count: 1,
193			}
194			}
195
196			return models.ResponseHTTP{
197			Success: true,
198			Message: "Success checking access permissions",
199			Data: *access,
200			Count: 1,
201			}
202			}
203
204			func MigrateDb(c *fiber.Ctx) {
205			db := database.DBConn
206
207			var memDates []models.MemDate
208			var users []models.User
209
210			db.Find(&users)
211
212			ch := make(chan models.Mem)
213
214			for _, user := range users {
215			db.Joins("Card").Where("mem_dates.user_id = ?", &user.ID).Find(&memDates)
216			for _, memDate := range memDates {
217			go func(c fiber.Ctx, user models.User, memDate models.MemDate) {
218			var mems []models.Mem
219			db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", memDate.CardID, user.ID).Order("id asc").Find(&mems)
220			for i, mem := range mems {
221			if i != len(mems)-1 {
222			mem.Quality = mems[i+1].Quality
223			db.Save(&mem)
224			}
225			ch <- mem
226			}
227			}(c, &user, memDate)
228			}
229			}
230
231			}
232
233			func PostMem(c *fiber.Ctx, user models.User, card models.Card, validation models.CardResponseValidation) models.ResponseHTTP {
234			db := database.DBConn // DB Conn
235
236			memDate := new(models.MemDate)
237
238			if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?",
239			&user.ID, card.ID).First(&memDate).Error; err != nil {
240			return models.ResponseHTTP{
241			Success: false,
242			Message: "MemDate Not Found",
243			Data: nil,
244			}
245			}
246
247			ex_mem := FetchMem(c, memDate, &user)
248			if ex_mem.Efactor == 0 {
249			ex_mem = models.Mem{
250			UserID: user.ID,
251			CardID: card.ID,
252			Quality: 0,
253			Repetition: 0,
254			Efactor: 2.5,
255			Interval: 0,
256			}
257			}
258
259			core.UpdateMem(c, &ex_mem, validation)
260
261			return models.ResponseHTTP{
262			Success: true,
263			Message: "Success Post Mem",
264			Data: nil,
265			}
266			}
267
268			func PopulateMemDate(c fiber.Ctx, user models.User, deck *models.Deck) models.ResponseHTTP {
269			db := database.DBConn // DB Conn
270			var cards []models.Card
271
272			if err := db.Joins("Deck").Where("cards.deck_id = ?", deck.ID).Find(&cards).Error; err != nil {
273			return models.ResponseHTTP{
274			Success: false,
275			Message: err.Error(),
276			Data: nil,
277			Count: 0,
278			}
279			}
280
281			ch := make(chan models.ResponseHTTP)
282
283			for _, s := range cards {
284			go func(c fiber.Ctx, user models.User, card models.Card) {
285			res := GenerateMemDate(c, user, &card)
286			ch <- res
287			}(c, user, s)
288			}
289
290			return models.ResponseHTTP{
291			Success: true,
292			Message: "Success generated mem_date",
293			Data: nil,
294			Count: 0,
295			}
296			}
297
298			func GetSubUsers(c *fiber.Ctx, deckID uint) []models.User {
299			db := database.DBConn // DB Conn
300
301			var users []models.User
302
303			if err := db.Joins("left join accesses ON users.id = accesses.user_id AND accesses.deck_id = ?", deckID).Where("accesses.permission > ?", models.AccessNone).Find(&users).Error; err != nil {
304			return nil
305			}
306
307			return users
308
309			}
310
311			func GenerateMemDate(c fiber.Ctx, user models.User, card *models.Card) models.ResponseHTTP {
312			db := database.DBConn // DB Conn
313
314			memDate := new(models.MemDate)
315
316			if err := db.Joins("User").Joins("Card").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?", user.ID, card.ID).First(&memDate).Error; err != nil {
317			if errors.Is(err, gorm.ErrRecordNotFound) {
318
319			memDate = &models.MemDate{
320			UserID: user.ID,
321			CardID: card.ID,
322			DeckID: card.DeckID,
323			NextDate: time.Now(),
324			}
325
326			db.Create(memDate)
327			} else {
328			return models.ResponseHTTP{
329			Success: false,
330			Message: err.Error(),
331			Data: nil,
332			Count: 0,
333			}
334			}
335			}
336
337			return models.ResponseHTTP{
338			Success: true,
339			Message: "Success generate MemDate",
340			Data: *memDate,
341			Count: 1,
342			}
343			}
344
345			// FetchAnswers
346			func FetchAnswers(c fiber.Ctx, card models.Card) []models.Answer {
347			var answers []models.Answer
348			db := database.DBConn // DB Conn
349
350			if err := db.Joins("Card").Where("answers.card_id = ?", card.ID).Limit(3).Order("random()").Find(&answers).Error; err != nil {
351			return nil
352			}
353
354			return answers
355			}
356
357			func FetchMem(c fiber.Ctx, memDate models.MemDate, user *models.User) models.Mem {
358			db := database.DBConn // DB Conn
359
360			mem := new(models.Mem)
361			if err := db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", memDate.CardID, user.ID).Order("id desc").First(&mem).Error; err != nil {
362			mem.Efactor = 0
363			}
364			return *mem
365			}
366
367			func GenerateAnswers(c fiber.Ctx, memDate models.MemDate) []string {
368			var answersList []string
369
370			res := FetchAnswers(c, &memDate.Card)
371
372			if len(res) >= 3 {
373			answersList = append(answersList, res[0].Answer, res[1].Answer, res[2].Answer, memDate.Card.Answer)
374
375			rand.Seed(time.Now().UnixNano())
376			rand.Shuffle(len(answersList), func(i, j int) { answersList[i], answersList[j] = answersList[j], answersList[i] })
377			}
378
379			return answersList
380
381			}
382
383			func FetchNextCard(c fiber.Ctx, user models.User) models.ResponseHTTP {
384			db := database.DBConn // DB Conn
385
386			memDate := new(models.MemDate)
387			var answersList []string
388
389			// Get next card
390			if err := db.Joins(
391			"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
392			user.ID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND accesses.permission >= ?",
393			&user.ID, models.AccessStudent).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
394			return models.ResponseHTTP{
395			Success: false,
396			Message: "Next card not found",
397			Data: nil,
398			}
399			}
400
401			mem := FetchMem(c, memDate, user)
402			if mem.Efactor <= 1.4 \|\| mem.Quality <= 1 \|\| mem.Repetition < 2 {
403			answersList = GenerateAnswers(c, memDate)
404			if len(answersList) == 4 {
405			memDate.Card.Type = 2 // MCQ
406			}
407			}
408
409			return models.ResponseHTTP{
410			Success: true,
411			Message: "Get Next Card",
412			Data: models.ResponseCard{
413			Card: memDate.Card,
414			Answers: answersList,
415			},
416			}
417			}
418
419			func FetchNextCardByDeck(c fiber.Ctx, user models.User, deckID string) models.ResponseHTTP {
420			db := database.DBConn // DB Conn
421
422			memDate := new(models.MemDate)
423			var answersList []string
424
425			// Get next card
426			if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.deck_id = ?",
427			&user.ID, deckID).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
428			return models.ResponseHTTP{
429			Success: false,
430			Message: "Next card by deck not found",
431			Data: nil,
432			}
433			}
434
435			mem := FetchMem(c, memDate, user)
436			if mem.Efactor <= 1.4 \|\| mem.Quality <= 1 \|\| mem.Repetition < 2 \|\| memDate.Card.Type == 2 {
437			answersList = GenerateAnswers(c, memDate)
438			if len(answersList) == 4 {
439			memDate.Card.Type = 2 // MCQ
440			}
441			}
442
443			return models.ResponseHTTP{
444			Success: true,
445			Message: "Get Next Card By Deck",
446			Data: models.ResponseCard{
447			Card: memDate.Card,
448			Answers: answersList,
449			},
450			}
451			}
452
453			// FetchNextTodayCard
454			func FetchNextTodayCard(c fiber.Ctx, user models.User) models.ResponseHTTP {
455			db := database.DBConn // DB Conn
456			memDate := new(models.MemDate)
457
458			var answersList []string
459
460			// Get next card with date condition
461			t := time.Now()
462
463			if err := db.Joins(
464			"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
465			user.ID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.next_date < ? AND accesses.permission >= ?",
466			&user.ID, t.AddDate(0, 0, 1).Add(
467			time.Duration(-t.Hour())*time.Hour), models.AccessStudent).Limit(1).Order("next_date asc").Find(&memDate).Error; err != nil {
468			return models.ResponseHTTP{
469			Success: false,
470			Message: "Next today card not found",
471			Data: nil,
472			}
473			}
474			mem := FetchMem(c, memDate, user)
475			if mem.Efactor <= 1.4 \|\| mem.Quality <= 1 \|\| mem.Repetition < 2 \|\| memDate.Card.Type == 2 {
476			answersList = GenerateAnswers(c, memDate)
477			if len(answersList) == 4 {
478			memDate.Card.Type = 2 // MCQ
479			}
480			}
481
482			return models.ResponseHTTP{
483			Success: true,
484			Message: "Get Next Today Card",
485			Data: models.ResponseCard{
486			Card: memDate.Card,
487			Answers: answersList,
488			},
489			}
490			}
491

memnix / memnix-rest

Push — main ( 0c4595...320b76 )

queries.FetchNextCardByDeck B

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like