queries.FetchNextTodayCard - Code Metrics - Inspection of "main" - memnix/memnix-rest - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — main (#42)

by Yume

created 2022-07-05 10:10 UTC

queries.FetchNextTodayCard A

↳ Parent: queries.FetchTodayCard

Complexity

Conditions

Size

Total Lines	16
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	12
nop	1
dl	0
loc	16
rs	9.8
c	0
b	0
f	0

package queries

import (
	"errors"
	"fmt"
	"math/rand"
	"time"

	"github.com/memnix/memnixrest/app/models"
	"github.com/memnix/memnixrest/pkg/core"
	"github.com/memnix/memnixrest/pkg/database"
	"github.com/memnix/memnixrest/pkg/utils"
	"gorm.io/gorm"
)

// UpdateSubUsers generates MemDate for sub users
func UpdateSubUsers(card *models.Card, user *models.User) error {
	var users []models.User
	var result *models.ResponseHTTP

	if result = GetSubUsers(card.DeckID); !result.Success {
		log := models.CreateLog(fmt.Sprintf("Error from %s on deck %d - CreateNewCard: %s", user.Email, card.DeckID, result.Message),
			models.LogQueryGetError).SetType(models.LogTypeError).AttachIDs(user.ID, card.DeckID, card.ID)
		_ = log.SendLog()
		return errors.New("couldn't get sub users")
	}

	switch result.Data.(type) {
	default:
		return errors.New("couldn't get sub users")
	case []models.User:
		users = result.Data.([]models.User)
	}

	for i := range users {
		_ = GenerateMemDate(users[i].ID, card.ID, card.DeckID)
	}

	return nil
}

// FillResponseDeck returns a filled models.ResponseDeck
// This function might become a method of models.ResponseDeck
func FillResponseDeck(deck *models.Deck, permission models.AccessPermission, toggleToday bool) models.ResponseDeck {
	db := database.DBConn

	deckResponse := new(models.ResponseDeck)

	deckResponse.Deck = *deck
	deckResponse.DeckID = deck.ID
	deckResponse.Permission = permission
	deckResponse.ToggleToday = toggleToday

	if owner := deck.GetOwner(); owner.ID != 0 {
		publicUser := new(models.PublicUser)

		publicUser.Set(&owner)

		deckResponse.Owner = *publicUser
		deckResponse.OwnerID = owner.ID
	}

	var count int64
	if err := db.Table("cards").Where("cards.deck_id = ?", deck.ID).Count(&count).Error; err != nil {
		deckResponse.CardCount = 0
	} else {
		deckResponse.CardCount = uint16(count)
	}
	return *deckResponse
}

// GenerateCreatorAccess sets an user as a deck creator
func GenerateCreatorAccess(user *models.User, deck *models.Deck) *models.ResponseHTTP {
	db := database.DBConn
	// TODO: Change models.User & models.Deck to uint
	access := new(models.Access)
	res := new(models.ResponseHTTP)

	access.Set(user.ID, deck.ID, models.AccessOwner)
	db.Create(access)

	res.GenerateSuccess("Success register a creator access !", *access, 1)
	return res
}

// GenerateAccess sets a default student access to a deck for a given user
func GenerateAccess(user *models.User, deck *models.Deck) *models.ResponseHTTP {
	db := database.DBConn
	res := new(models.ResponseHTTP)

	if deck.Status != models.DeckPublic && user.Permissions != models.PermAdmin {
		res.GenerateError(utils.ErrorForbidden)
		return res
	}

	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.Set(user.ID, deck.ID, models.AccessStudent)
			db.Preload("User").Preload("Deck").Create(access)
		}
	} else {
		if access.Permission >= models.AccessStudent {
			res.GenerateError(utils.ErrorAlreadySub)
			return res
		}
		access.Set(user.ID, deck.ID, models.AccessStudent)
		db.Preload("User").Preload("Deck").Save(access)
	}

	res.GenerateSuccess("Success register an access", *access, 1)
	return res
}

// CheckAccess verifies if a given user as the right models.Permission to perform an action on a deck
func CheckAccess(userID, deckID uint, perm models.AccessPermission) *models.ResponseHTTP {
	db := database.DBConn // DB Conn

	access := new(models.Access)
	res := new(models.ResponseHTTP)

	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 {
		res.GenerateError(utils.ErrorForbidden)
		return res
	}

	res.GenerateSuccess("Success checking access permissions", *access, 1)
	return res
}

// CheckCardLimit verifies that a deck can handle more cards
func CheckCardLimit(permission models.Permission, deckID uint) bool {
	db := database.DBConn // DB Conn
	var count int64

	if err := db.Table("cards").Where("cards.deck_id = ? AND cards.deleted_at IS NULL", deckID).Count(&count).Error; err != nil {
		//TODO: Handle error
		return true
	}

	if permission < models.PermMod && count >= utils.MaxCardDeck {
		return false
	}

	return true
}

// CheckCode prevents deck code from being duplicated
func CheckCode(key, code string) bool {
	db := database.DBConn // DB Conn
	var count int64

	if err := db.Table("decks").Where("decks.key = ? AND decks.code = ? AND decks.deleted_at IS NULL", key, code).Count(&count).Error; err != nil {
		// TODO: Handle error
		return true
	}

	if count != 0 {
		return false
	}

	return true
}

// CheckDeckLimit verifies that the user hasn't reached the limit
func CheckDeckLimit(user *models.User) bool {
	db := database.DBConn // DB Conn
	var count int64

	if err := db.Table("accesses").Where("accesses.user_id = ? AND accesses.permission = ? AND accesses.deleted_at IS NULL", user.ID, models.AccessOwner).Count(&count).Error; err != nil {
		//TODO: Handle error
		return true
	}

	if user.Permissions < models.PermMod && count >= utils.MaxDeckNormalUser {
		return false
	}

	return true
}

// PostSelfEvaluatedMem updates Mem & MemDate
func PostSelfEvaluatedMem(user *models.User, card *models.Card, quality uint, training bool) *models.ResponseHTTP {
	db := database.DBConn // DB Conn
	res := new(models.ResponseHTTP)

	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 {
		res.GenerateError(utils.ErrorRequestFailed) // MemDate not found
		// TODO: Create a default MemDate
		return res
	}

	exMem := FetchMem(memDate.CardID, user.ID)
	if exMem.Efactor == 0 {
		exMem.FillDefaultValues(user.ID, card.ID)
	}

	core.UpdateMemSelfEvaluated(&exMem, training, quality)

	res.GenerateSuccess("Success Post Mem", nil, 0)
	return res
}

// PostMem updates MemDate & Mem
func PostMem(user *models.User, card *models.Card, validation *models.CardResponseValidation, training bool) *models.ResponseHTTP {
	db := database.DBConn // DB Conn
	res := new(models.ResponseHTTP)

	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 {
		res.GenerateError(utils.ErrorRequestFailed) // MemDate not found
		// TODO: Create a default MemDate
		return res
	}

	exMem := FetchMem(memDate.CardID, user.ID)
	if exMem.Efactor == 0 {
		exMem.FillDefaultValues(user.ID, card.ID)
	}

	if training {
		core.UpdateMemTraining(&exMem, validation.Validate)
	} else {
		core.UpdateMem(&exMem, validation.Validate)
	}
	res.GenerateSuccess("Success Post Mem", nil, 0)
	return res
}

// PopulateMemDate with default value for a given user & deck
// This is used on deck sub
func PopulateMemDate(user *models.User, deck *models.Deck) *models.ResponseHTTP {
	db := database.DBConn // DB Conn
	var cards []models.Card
	res := new(models.ResponseHTTP)

	if err := db.Joins("Deck").Where("cards.deck_id = ?", deck.ID).Find(&cards).Error; err != nil {
		res.GenerateError(err.Error()) // MemDate not found
		return res
	}

	for i := range cards {
		_ = GenerateMemDate(user.ID, cards[i].ID, cards[i].DeckID)
	}
	res.GenerateSuccess("Success generated mem_date", nil, 0)
	return res
}

// GetSubUsers returns a list of users sub to a deck
func GetSubUsers(deckID uint) *models.ResponseHTTP {
	res := new(models.ResponseHTTP)

	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 {
		res.GenerateError(err.Error())
		return res
	}
	res.GenerateSuccess("Success getting sub users", users, len(users))
	return res
}

// GenerateMemDate with default nextDate
func GenerateMemDate(userID, cardID, deckID uint) *models.ResponseHTTP {
	db := database.DBConn // DB Conn
	res := new(models.ResponseHTTP)

	memDate := new(models.MemDate)

	if err := db.Joins("User").Joins("Card").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?", userID, cardID).First(&memDate).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			memDate.SetDefaultNextDate(userID, cardID, deckID)
			db.Create(memDate)
		} else {
			res.GenerateError(err.Error())
			return res
		}
	}
	res.GenerateSuccess("Success generate MemDate", memDate, 1)
	return res
}

// FetchMem returns last mem of an user on a given card
func FetchMem(cardID, userID uint) models.Mem {
	db := database.DBConn // DB Conn

	mem := new(models.Mem)
	if err := db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", cardID, userID).Order("id desc").First(&mem).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			mem.Efactor = 0
		}
	}
	return *mem
}

// GenerateMCQ returns a list of answer
func GenerateMCQ(memDate *models.MemDate, userID uint) []string {
	mem := FetchMem(memDate.CardID, userID)

	var answersList []string
	if mem.IsMCQ() || memDate.Card.Type == models.CardMCQ {
		answersList = memDate.Card.GetMCQAnswers()
		if len(answersList) == 4 {
			memDate.Card.Type = models.CardMCQ // MCQ
		}
		return answersList
	}

	return answersList
}

// FetchTrainingCards returns training cards
func FetchTrainingCards(userID, deckID uint) *models.ResponseHTTP {
	res := new(models.ResponseHTTP)
	db := database.DBConn // DB Conn

	var memDates []models.MemDate

	if err := db.Joins("Deck").Joins("Card").Where("mem_dates.deck_id = ? AND mem_dates.user_id = ?", deckID, userID).Find(&memDates).Error; err != nil {
		res.GenerateError(err.Error())
		return res
	}
	responseCard := new(models.ResponseCard)
	var answersList []string

	result := make([]models.ResponseCard, len(memDates))

	for i := range memDates {
		answersList = GenerateMCQ(&memDates[i], userID)
		responseCard.Set(&memDates[i], answersList)

		result = append(result, *responseCard)
	}

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

	res.GenerateSuccess("Success getting next card", result, len(result))
	return res
}

// FetchTodayCard return today cards
func FetchTodayCard(userID uint) *models.ResponseHTTP {
	db := database.DBConn // DB Conn
	t := time.Now()

	res := new(models.ResponseHTTP)
	var memDates []models.MemDate

	m := make(map[uint][]models.ResponseCard)

	if err := db.Joins(
		"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
		userID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.next_date < ? AND accesses.permission >= ? AND accesses.toggle_today IS true",
		userID, t.AddDate(0, 0, 1).Add(
			time.Duration(-t.Hour())*time.Hour), models.AccessStudent).Order("next_date asc").Find(&memDates).Error; err != nil {
		res.GenerateError("Today's memDate not found")
		return res
	}

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

	var answersList []string
	responseCard := new(models.ResponseCard)

	for index := range memDates {
		answersList = GenerateMCQ(&memDates[index], userID)
		responseCard.Set(&memDates[index], answersList)
		m[responseCard.Card.DeckID] = append(m[responseCard.Card.DeckID], *responseCard)
	}

	todayResponse := new(models.TodayResponse)

	for key := range m {
		deckResponse := new(models.DeckResponse)
		deckResponse.DeckID = key
		deckResponse.Cards = m[key]
		deckResponse.Count = len(deckResponse.Cards)
		todayResponse.DecksReponses = append(todayResponse.DecksReponses, *deckResponse)
	}

	todayResponse.Count = len(todayResponse.DecksReponses)

	res.GenerateSuccess("Success getting next today's cards", todayResponse, len(memDates))
	return res
}


1			package queries
2
3			import (
4			"errors"
5			"fmt"
6			"math/rand"
7			"time"
8
9			"github.com/memnix/memnixrest/app/models"
10			"github.com/memnix/memnixrest/pkg/core"
11			"github.com/memnix/memnixrest/pkg/database"
12			"github.com/memnix/memnixrest/pkg/utils"
13			"gorm.io/gorm"
14			)
15
16			// UpdateSubUsers generates MemDate for sub users
17			func UpdateSubUsers(card models.Card, user models.User) error {
18			var users []models.User
19			var result *models.ResponseHTTP
20
21			if result = GetSubUsers(card.DeckID); !result.Success {
22			log := models.CreateLog(fmt.Sprintf("Error from %s on deck %d - CreateNewCard: %s", user.Email, card.DeckID, result.Message),
23			models.LogQueryGetError).SetType(models.LogTypeError).AttachIDs(user.ID, card.DeckID, card.ID)
24			_ = log.SendLog()
25			return errors.New("couldn't get sub users")
26			}
27
28			switch result.Data.(type) {
29			default:
30			return errors.New("couldn't get sub users")
31			case []models.User:
32			users = result.Data.([]models.User)
33			}
34
35			for i := range users {
36			_ = GenerateMemDate(users[i].ID, card.ID, card.DeckID)
37			}
38
39			return nil
40			}
41
42			// FillResponseDeck returns a filled models.ResponseDeck
43			// This function might become a method of models.ResponseDeck
44			func FillResponseDeck(deck *models.Deck, permission models.AccessPermission, toggleToday bool) models.ResponseDeck {
45			db := database.DBConn
46
47			deckResponse := new(models.ResponseDeck)
48
49			deckResponse.Deck = *deck
50			deckResponse.DeckID = deck.ID
51			deckResponse.Permission = permission
52			deckResponse.ToggleToday = toggleToday
53
54			if owner := deck.GetOwner(); owner.ID != 0 {
55			publicUser := new(models.PublicUser)
56
57			publicUser.Set(&owner)
58
59			deckResponse.Owner = *publicUser
60			deckResponse.OwnerID = owner.ID
61			}
62
63			var count int64
64			if err := db.Table("cards").Where("cards.deck_id = ?", deck.ID).Count(&count).Error; err != nil {
65			deckResponse.CardCount = 0
66			} else {
67			deckResponse.CardCount = uint16(count)
68			}
69			return *deckResponse
70			}
71
72			// GenerateCreatorAccess sets an user as a deck creator
73			func GenerateCreatorAccess(user models.User, deck models.Deck) *models.ResponseHTTP {
74			db := database.DBConn
75			// TODO: Change models.User & models.Deck to uint
76			access := new(models.Access)
77			res := new(models.ResponseHTTP)
78
79			access.Set(user.ID, deck.ID, models.AccessOwner)
80			db.Create(access)
81
82			res.GenerateSuccess("Success register a creator access !", *access, 1)
83			return res
84			}
85
86			// GenerateAccess sets a default student access to a deck for a given user
87			func GenerateAccess(user models.User, deck models.Deck) *models.ResponseHTTP {
88			db := database.DBConn
89			res := new(models.ResponseHTTP)
90
91			if deck.Status != models.DeckPublic && user.Permissions != models.PermAdmin {
92			res.GenerateError(utils.ErrorForbidden)
93			return res
94			}
95
96			access := new(models.Access)
97
98			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id =?", user.ID, deck.ID).Find(&access).Error; err != nil {
99			if errors.Is(err, gorm.ErrRecordNotFound) {
100			access.Set(user.ID, deck.ID, models.AccessStudent)
101			db.Preload("User").Preload("Deck").Create(access)
102			}
103			} else {
104			if access.Permission >= models.AccessStudent {
105			res.GenerateError(utils.ErrorAlreadySub)
106			return res
107			}
108			access.Set(user.ID, deck.ID, models.AccessStudent)
109			db.Preload("User").Preload("Deck").Save(access)
110			}
111
112			res.GenerateSuccess("Success register an access", *access, 1)
113			return res
114			}
115
116			// CheckAccess verifies if a given user as the right models.Permission to perform an action on a deck
117			func CheckAccess(userID, deckID uint, perm models.AccessPermission) *models.ResponseHTTP {
118			db := database.DBConn // DB Conn
119
120			access := new(models.Access)
121			res := new(models.ResponseHTTP)
122
123			if err := db.Joins("User").Joins("Deck").Where("accesses.user_id = ? AND accesses.deck_id = ?", userID, deckID).First(&access).Error; err != nil {
124			access.Permission = models.AccessNone
125			}
126
127			if access.Permission < perm {
128			res.GenerateError(utils.ErrorForbidden)
129			return res
130			}
131
132			res.GenerateSuccess("Success checking access permissions", *access, 1)
133			return res
134			}
135
136			// CheckCardLimit verifies that a deck can handle more cards
137			func CheckCardLimit(permission models.Permission, deckID uint) bool {
138			db := database.DBConn // DB Conn
139			var count int64
140
141			if err := db.Table("cards").Where("cards.deck_id = ? AND cards.deleted_at IS NULL", deckID).Count(&count).Error; err != nil {
142			//TODO: Handle error
143			return true
144			}
145
146			if permission < models.PermMod && count >= utils.MaxCardDeck {
147			return false
148			}
149
150			return true
151			}
152
153			// CheckCode prevents deck code from being duplicated
154			func CheckCode(key, code string) bool {
155			db := database.DBConn // DB Conn
156			var count int64
157
158			if err := db.Table("decks").Where("decks.key = ? AND decks.code = ? AND decks.deleted_at IS NULL", key, code).Count(&count).Error; err != nil {
159			// TODO: Handle error
160			return true
161			}
162
163			if count != 0 {
164			return false
165			}
166
167			return true
168			}
169
170			// CheckDeckLimit verifies that the user hasn't reached the limit
171			func CheckDeckLimit(user *models.User) bool {
172			db := database.DBConn // DB Conn
173			var count int64
174
175			if err := db.Table("accesses").Where("accesses.user_id = ? AND accesses.permission = ? AND accesses.deleted_at IS NULL", user.ID, models.AccessOwner).Count(&count).Error; err != nil {
176			//TODO: Handle error
177			return true
178			}
179
180			if user.Permissions < models.PermMod && count >= utils.MaxDeckNormalUser {
181			return false
182			}
183
184			return true
185			}
186
187			// PostSelfEvaluatedMem updates Mem & MemDate
188			func PostSelfEvaluatedMem(user models.User, card models.Card, quality uint, training bool) *models.ResponseHTTP {
189			db := database.DBConn // DB Conn
190			res := new(models.ResponseHTTP)
191
192			memDate := new(models.MemDate)
193
194			if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?",
195			user.ID, card.ID).First(&memDate).Error; err != nil {
196			res.GenerateError(utils.ErrorRequestFailed) // MemDate not found
197			// TODO: Create a default MemDate
198			return res
199			}
200
201			exMem := FetchMem(memDate.CardID, user.ID)
202			if exMem.Efactor == 0 {
203			exMem.FillDefaultValues(user.ID, card.ID)
204			}
205
206			core.UpdateMemSelfEvaluated(&exMem, training, quality)
207
208			res.GenerateSuccess("Success Post Mem", nil, 0)
209			return res
210			}
211
212			// PostMem updates MemDate & Mem
213			func PostMem(user models.User, card models.Card, validation models.CardResponseValidation, training bool) models.ResponseHTTP {
214			db := database.DBConn // DB Conn
215			res := new(models.ResponseHTTP)
216
217			memDate := new(models.MemDate)
218
219			if err := db.Joins("Card").Joins("User").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?",
220			user.ID, card.ID).First(&memDate).Error; err != nil {
221			res.GenerateError(utils.ErrorRequestFailed) // MemDate not found
222			// TODO: Create a default MemDate
223			return res
224			}
225
226			exMem := FetchMem(memDate.CardID, user.ID)
227			if exMem.Efactor == 0 {
228			exMem.FillDefaultValues(user.ID, card.ID)
229			}
230
231			if training {
232			core.UpdateMemTraining(&exMem, validation.Validate)
233			} else {
234			core.UpdateMem(&exMem, validation.Validate)
235			}
236			res.GenerateSuccess("Success Post Mem", nil, 0)
237			return res
238			}
239
240			// PopulateMemDate with default value for a given user & deck
241			// This is used on deck sub
242			func PopulateMemDate(user models.User, deck models.Deck) *models.ResponseHTTP {
243			db := database.DBConn // DB Conn
244			var cards []models.Card
245			res := new(models.ResponseHTTP)
246
247			if err := db.Joins("Deck").Where("cards.deck_id = ?", deck.ID).Find(&cards).Error; err != nil {
248			res.GenerateError(err.Error()) // MemDate not found
249			return res
250			}
251
252			for i := range cards {
253			_ = GenerateMemDate(user.ID, cards[i].ID, cards[i].DeckID)
254			}
255			res.GenerateSuccess("Success generated mem_date", nil, 0)
256			return res
257			}
258
259			// GetSubUsers returns a list of users sub to a deck
260			func GetSubUsers(deckID uint) *models.ResponseHTTP {
261			res := new(models.ResponseHTTP)
262
263			db := database.DBConn // DB Conn
264			var users []models.User
265
266			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 {
267			res.GenerateError(err.Error())
268			return res
269			}
270			res.GenerateSuccess("Success getting sub users", users, len(users))
271			return res
272			}
273
274			// GenerateMemDate with default nextDate
275			func GenerateMemDate(userID, cardID, deckID uint) *models.ResponseHTTP {
276			db := database.DBConn // DB Conn
277			res := new(models.ResponseHTTP)
278
279			memDate := new(models.MemDate)
280
281			if err := db.Joins("User").Joins("Card").Where("mem_dates.user_id = ? AND mem_dates.card_id = ?", userID, cardID).First(&memDate).Error; err != nil {
282			if errors.Is(err, gorm.ErrRecordNotFound) {
283			memDate.SetDefaultNextDate(userID, cardID, deckID)
284			db.Create(memDate)
285			} else {
286			res.GenerateError(err.Error())
287			return res
288			}
289			}
290			res.GenerateSuccess("Success generate MemDate", memDate, 1)
291			return res
292			}
293
294			// FetchMem returns last mem of an user on a given card
295			func FetchMem(cardID, userID uint) models.Mem {
296			db := database.DBConn // DB Conn
297
298			mem := new(models.Mem)
299			if err := db.Joins("Card").Where("mems.card_id = ? AND mems.user_id = ?", cardID, userID).Order("id desc").First(&mem).Error; err != nil {
300			if errors.Is(err, gorm.ErrRecordNotFound) {
301			mem.Efactor = 0
302			}
303			}
304			return *mem
305			}
306
307			// GenerateMCQ returns a list of answer
308			func GenerateMCQ(memDate *models.MemDate, userID uint) []string {
309			mem := FetchMem(memDate.CardID, userID)
310
311			var answersList []string
312			if mem.IsMCQ() \|\| memDate.Card.Type == models.CardMCQ {
313			answersList = memDate.Card.GetMCQAnswers()
314			if len(answersList) == 4 {
315			memDate.Card.Type = models.CardMCQ // MCQ
316			}
317			return answersList
318			}
319
320			return answersList
321			}
322
323			// FetchTrainingCards returns training cards
324			func FetchTrainingCards(userID, deckID uint) *models.ResponseHTTP {
325			res := new(models.ResponseHTTP)
326			db := database.DBConn // DB Conn
327
328			var memDates []models.MemDate
329
330			if err := db.Joins("Deck").Joins("Card").Where("mem_dates.deck_id = ? AND mem_dates.user_id = ?", deckID, userID).Find(&memDates).Error; err != nil {
331			res.GenerateError(err.Error())
332			return res
333			}
334			responseCard := new(models.ResponseCard)
335			var answersList []string
336
337			result := make([]models.ResponseCard, len(memDates))
338
339			for i := range memDates {
340			answersList = GenerateMCQ(&memDates[i], userID)
341			responseCard.Set(&memDates[i], answersList)
342
343			result = append(result, *responseCard)
344			}
345
346			rand.Seed(time.Now().UnixNano())
347			rand.Shuffle(len(result), func(i, j int) { result[i], result[j] = result[j], result[i] })
348
349			res.GenerateSuccess("Success getting next card", result, len(result))
350			return res
351			}
352
353			// FetchTodayCard return today cards
354			func FetchTodayCard(userID uint) *models.ResponseHTTP {
355			db := database.DBConn // DB Conn
356			t := time.Now()
357
358			res := new(models.ResponseHTTP)
359			var memDates []models.MemDate
360
361			m := make(map[uint][]models.ResponseCard)
362
363			if err := db.Joins(
364			"left join accesses ON mem_dates.deck_id = accesses.deck_id AND accesses.user_id = ?",
365			userID).Joins("Card").Joins("Deck").Where("mem_dates.user_id = ? AND mem_dates.next_date < ? AND accesses.permission >= ? AND accesses.toggle_today IS true",
366			userID, t.AddDate(0, 0, 1).Add(
367			time.Duration(-t.Hour())*time.Hour), models.AccessStudent).Order("next_date asc").Find(&memDates).Error; err != nil {
368			res.GenerateError("Today's memDate not found")
369			return res
370			}
371
372			rand.Seed(time.Now().UnixNano())
373			rand.Shuffle(len(memDates), func(i, j int) { memDates[i], memDates[j] = memDates[j], memDates[i] })
374
375			var answersList []string
376			responseCard := new(models.ResponseCard)
377
378			for index := range memDates {
379			answersList = GenerateMCQ(&memDates[index], userID)
380			responseCard.Set(&memDates[index], answersList)
381			m[responseCard.Card.DeckID] = append(m[responseCard.Card.DeckID], *responseCard)
382			}
383
384			todayResponse := new(models.TodayResponse)
385
386			for key := range m {
387			deckResponse := new(models.DeckResponse)
388			deckResponse.DeckID = key
389			deckResponse.Cards = m[key]
390			deckResponse.Count = len(deckResponse.Cards)
391			todayResponse.DecksReponses = append(todayResponse.DecksReponses, *deckResponse)
392			}
393
394			todayResponse.Count = len(todayResponse.DecksReponses)
395
396			res.GenerateSuccess("Success getting next today's cards", todayResponse, len(memDates))
397			return res
398			}
399

memnix / memnix-rest

Pull Request — main (#42)

queries.FetchNextTodayCard A

Complexity

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Duplication

Importance

Duplication Side-by-Side

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