Files
old-backend/database/contract/contract.go
2023-10-10 08:39:50 +02:00

137 lines
4.3 KiB
Go

package contract
import (
"errors"
"log"
"net/http"
"time"
"github.com/jinzhu/gorm"
"github.com/lib/pq"
"gitlab.com/pactual1/backend/models"
"gitlab.com/pactual1/backend/shared"
)
func GetContracts(status []string, companyName string, companyAddress string,
companyEmail string, companyPhone string, startTime *time.Time, endTime *time.Time,
contractName string, deviceIDs []int64, contractID int, dateCreated *time.Time, limit, offset int) ([]models.Contract, int64, int, error) {
var contracts []models.Contract
db := shared.GetDb()
countDb := db
// Define custom fields to be selected, varies based on joined tables
customFields := "contracts.*, array_length(contracts.device_ids, 1) as number_of_devices"
// Search by Statuses
if len(status) > 0 {
db = db.Where("contracts.status IN (?)", status)
countDb = countDb.Where("contracts.status IN (?)", status)
}
// Search by Company Fields
db = db.Joins("left join companies on companies.id = contracts.buyer_id")
countDb = countDb.Joins("left join companies on companies.id = contracts.buyer_id")
customFields += ", companies.name as buyer_name"
if companyName != "" {
db = db.Where("companies.name LIKE ?", "%"+companyName+"%")
countDb = countDb.Where("companies.name LIKE ?", "%"+companyName+"%")
}
if companyAddress != "" {
db = db.Where("companies.address LIKE ?", "%"+companyAddress+"%")
countDb = countDb.Where("companies.address LIKE ?", "%"+companyAddress+"%")
}
if companyEmail != "" {
db = db.Where("companies.email LIKE ?", "%"+companyEmail+"%")
countDb = countDb.Where("companies.email LIKE ?", "%"+companyEmail+"%")
}
if companyPhone != "" {
db = db.Where("companies.phone LIKE ?", "%"+companyPhone+"%")
countDb = countDb.Where("companies.phone LIKE ?", "%"+companyPhone+"%")
}
// Search by Contract Name
if contractName != "" {
db = db.Where("contracts.name LIKE ?", "%"+contractName+"%")
countDb = countDb.Where("contracts.name LIKE ?", "%"+contractName+"%")
}
// Search by Contract Name
if contractID != 0{
db = db.Where("contracts.id = ?", contractID)
countDb = countDb.Where("contracts.id = ?", contractID)
}
// Search by Start Time and End Time
if startTime != nil &&!startTime.IsZero() {
db = db.Where("start_time >= ?", startTime)
countDb = countDb.Where("start_time >= ?", startTime)
}
if endTime != nil && !startTime.IsZero() {
db = db.Where("end_time <= ?", endTime)
countDb = countDb.Where("end_time <= ?", endTime)
}
if dateCreated != nil && !dateCreated.IsZero() {
db = db.Where("contracts.created_at = ?", dateCreated)
countDb = countDb.Where("created_at = ?", dateCreated)
}
// Search by Device IDs
if len(deviceIDs) > 0 {
db = db.Where("device_ids && ?", pq.Array(deviceIDs))
countDb = countDb.Where("device_ids && ?", pq.Array(deviceIDs))
}
// Fetch total count of filtered records
var total int64
if err := countDb.Model(&models.Contract{}).Count(&total).Error; err != nil {
log.Printf("GetContracts Error: Database error: %v", err)
return contracts, total, http.StatusInternalServerError, err
}
// Fetch contracts with custom fields
if err := db.Select(customFields).
Order("created_at desc").
Limit(limit).
Offset(offset).
Find(&contracts).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
log.Printf("GetContracts Error: No contracts found: %v", err)
return contracts, total, http.StatusNotFound, err
} else {
log.Printf("GetContracts Error: Database error: %v", err)
return contracts, total, http.StatusInternalServerError, err
}
}
return contracts, total, http.StatusOK, nil
}
func UpdateContract(contract models.Contract) (models.Contract, int, error) {
// Update contract
if err := shared.GetDb().Update(contract).Error; err != nil {
log.Printf("UpdateContractByID Error: Could not update contract: %v", err)
return contract, http.StatusInternalServerError, err
}
return GetContractByID(uint64(contract.ID))
}
func GetContractByID(contractID uint64) (models.Contract, int, error) {
// Fetch the contract creation date based on contractID
var contract models.Contract
if err := shared.GetDb().Where("id = ?", contractID).First(&contract).Error; err != nil {
log.Printf("GetContractByID Error: Could not fetch contract: %v", err)
return contract, http.StatusInternalServerError, err
}
return contract, http.StatusOK, nil
}