1package app
  2
  3import (
  4	"log"
  5	"time"
  6)
  7
  8func (e *Entry) GetOdds() *uint {
  9	v := uint(100)
 10	for _, s := range e.SubEntries {
 11		v = v * s.Odds / 100 // for some reason, i can't use *= here
 12	}
 13	return &v
 14}
 15
 16func (e *Entry) DidWin() *bool {
 17	v := true
 18	for _, s := range e.SubEntries {
 19		if !s.Won {
 20			v = false
 21			return &v
 22		}
 23	}
 24	return &v
 25}
 26
 27func (e *Entry) GetDate() *time.Time {
 28	if len(e.SubEntries) == 0 {
 29		return nil
 30	}
 31
 32	last := e.SubEntries[0].Date
 33	for _, s := range e.SubEntries {
 34		if s.Date.After(last) {
 35			last = s.Date
 36		}
 37	}
 38	return &last
 39}
 40
 41func (e *Entry) GetValue() (value int) {
 42	if e.Won == nil || e.Odds == nil {
 43		log.Fatalf("please, update e.Won and e.Odds first")
 44	}
 45
 46	if e.Bookmaker.IsExchange() {
 47		r := (int(e.Amount) * (int(*e.Odds) - 100)) / 100
 48		if *e.Won {
 49			value = int(e.Amount) - int(e.Amount)*int(e.Commission)/10000
 50		} else {
 51			value = int(e.Refund) - r
 52		}
 53	} else {
 54		if *e.Won {
 55			value = (int(e.Amount) * int(*e.Odds) / 100) - int(e.Amount)
 56		} else {
 57			value = -int(e.Amount) + int(e.Refund)
 58		}
 59	}
 60
 61	value += int(e.Bonus)
 62	return
 63}
 64
 65func (r *Record) GetDate() *time.Time {
 66	if len(r.Entries) == 0 {
 67		return nil
 68	}
 69
 70	last := *r.Entries[0].Date
 71	for _, e := range r.Entries {
 72		if e.Date.After(last) {
 73			last = *e.Date
 74		}
 75	}
 76	return &last
 77}
 78
 79func FillEntryValues(entries []Entry) ([]Entry, int) {
 80	var total int
 81	for i := range entries {
 82		entries[i].Odds = entries[i].GetOdds()
 83		entries[i].Won = entries[i].DidWin()
 84		entries[i].Date = entries[i].GetDate()
 85		v := entries[i].GetValue()
 86		entries[i].Value = &v
 87		total += v
 88	}
 89	return entries, total
 90}
 91
 92func FillRecordValues(records []Record) ([]Record, int) {
 93	var total int
 94	for i := range records {
 95		_, v := FillEntryValues(records[i].Entries)
 96		records[i].Date = records[i].GetDate()
 97		records[i].Value = &v
 98		total += v
 99	}
100	return records, total
101}
102
103func GetRecords() (records []Record, total int, err error) {
104	err = DB.Preload("Entries.Bookmaker").Preload("Entries.Account").Preload("Entries.SubEntries").Find(&records).Error
105	if err != nil {
106		return
107	}
108
109	records, total = FillRecordValues(records)
110	return
111}
112
113func GetRecord(id uint) (record Record, err error) {
114	err = DB.Preload("Entries.SubEntries").First(&record, id).Error
115	if err != nil {
116		return
117	}
118
119	records, _ := FillRecordValues([]Record{record})
120	return records[0], nil
121}