Files
nCovTrack-Backend/service/management/observation.go
fallen-angle 9e3638885d finish
2022-05-16 19:55:59 +08:00

390 lines
16 KiB
Go

package management
import (
"fmt"
"nCovTrack-Backend/global"
"nCovTrack-Backend/models"
"nCovTrack-Backend/service/notify"
"nCovTrack-Backend/utils"
"time"
)
//PullFromFaker Pull observations from faker system
func PullFromFaker(claims models.TokenClaims, patientId int) int64 {
// Get patient's identification by id
queryMap := []map[string]interface{}{{"id": patientId}}
patient := models.GetField[models.BackObservation](queryMap, false, "identification")
if patient == nil || patient["identification"] == nil {
return -1
}
// Pull contacts form faker
observations := queryContacts(patient["identification"].(string))
// Set ContactPerson
for i := range observations {
observations[i].ContactPerson = patientId
}
// Insert into db
var observationsJMap []map[string]interface{}
utils.Strcut2Map(observations, &observationsJMap)
observationsCMap := models.MapsJ2c[models.BackObservation](observationsJMap, false)
models.BeforeBatchSave(&observationsCMap, claims.ID)
_, rowsAffected := models.BatchInsert[models.BackObservation](observationsCMap)
// Generate situation record and send notify to the region
if rowsAffected != 0 {
pullSituationRecord(claims, observations)
pullNotify(observations)
}
return rowsAffected
}
//ListObservation list observations with query
func ListObservation(jsonMap map[string]interface{}) []models.ListObservation {
colMap := models.MapJ2c[models.BackObservation](jsonMap, true)
queryMap := []map[string]interface{}{colMap}
return listObservation(queryMap)
}
//GetObservation get observation by id
func GetObservation(id int) map[string]interface{} {
// Obseration
observationCMap := models.GetField[models.BackObservation]([]map[string]interface{}{{"id": id}}, true, "is_delete")
observationJMap := models.MapC2j[models.BackObservation](observationCMap, true)
// Pcr record
pcrRecordCMap := models.ListField[models.BackPcr]([]map[string]interface{}{{"observation": id}}, true, "is_delete")
pcrRecordJMap := models.MapsC2j[models.BackPcr](*pcrRecordCMap, true)
// Situation record
situationRecordCMap := models.ListField[models.BackSituationRecord]([]map[string]interface{}{{"observation": id}}, true, "is_delete")
situationRecordJMap := models.MapsC2j[models.BackSituationRecord](*situationRecordCMap, true)
// Assemble
observationJMap["pcrRecord"] = pcrRecordJMap
observationJMap["situationRecord"] = situationRecordJMap
return observationJMap
}
//InsertObservation add observation
func InsertObservation(claims models.TokenClaims, jsonMap map[string]interface{}) bool {
colMap := models.MapJ2c[models.BackObservation](jsonMap, true)
models.BeforeSave(colMap, claims.ID)
ok, rowsAffected := models.Upsert[models.BackObservation](colMap)
queryMap := []map[string]interface{}{{"identification": jsonMap["identification"]}}
// Get result after insert, assemble record will use it.
newObservation := models.GetField[models.BackObservation](queryMap, true)
recordOk := insertSituationRecord(claims, map[string]interface{}{}, newObservation)
return (ok && recordOk && rowsAffected != 0)
}
func UpdateObservation(claims models.TokenClaims, jsonMap map[string]any) bool {
// Pre actions
colMap := models.MapJ2c[models.BackObservation](jsonMap, true)
models.BeforeSave(colMap, claims.ID)
queryMap := []map[string]interface{}{{"id": jsonMap["id"]}}
// Get old record
oldMap := models.Get[models.BackObservation](queryMap)
if oldMap == nil || len(oldMap) == 0 {
return false
}
// Deal with region update
if colMap["region"] != nil && oldMap["region"].(string) != colMap["region"].(string) {
updateObservationRegion(colMap["region"].(string))
}
// Deal with situation update
if colMap["health_situation"] != nil && int(colMap["health_situation"].(float64)) != oldMap["health_situation"].(int) ||
colMap["measure_situation"] != nil && int(colMap["measure_situation"].(float64)) != oldMap["measure_situation"].(int) {
updateSituation(claims, oldMap, colMap)
}
ok, rowsAffected := models.Update[models.BackObservation](queryMap, colMap)
return ok && rowsAffected != 0
}
//TreeifyObservations get the transmission chains of observations
// Param direction: up, down, all
func TreeifyObservations(observationId int, direction string) *models.TreeObservation {
// Get arrays form back observation
var observations []models.BackObservation
if direction != "down" {
observations = append(observations, treeifyObservations(observationId, true)...)
}
if direction != "up" {
observations = append(observations, treeifyObservations(observationId, false)...)
}
// Treeify
observationMap := map[int]*models.TreeObservation{}
for _, observation := range observations {
observationMap[observation.ID] = &models.TreeObservation{
ID: observation.ID,
Name: observation.Name,
Age: observation.Age,
Sex: observation.Sex,
Phone: observation.Phone,
Identification: observation.Identification,
ContactPerson: observation.ContactPerson,
Region: observation.Region,
Address: observation.Address,
HealthSituation: observation.HealthSituation,
HealthChangeTime: observation.HealthChangeTime,
CreateUser: observation.CreateUser,
CreateTime: observation.CreateTime,
ModifyUser: observation.ModifyUser,
ModifyTime: observation.ModifyTime,
}
}
var rootKey int
for k := range observationMap {
parentId := observationMap[k].ContactPerson
parent := observationMap[parentId]
if parent == nil {
rootKey = k
continue
}
parent.Children = append(parent.Children, observationMap[k])
}
return observationMap[rootKey]
}
//treeifyObservations query tree data from db
// Param direction up: true, down: false
func treeifyObservations(observationId int, direction bool) []models.BackObservation {
var res []models.BackObservation
var directionCond string
if direction {
directionCond = "p.id = cte.contact_person"
} else {
directionCond = "cte.id = p.contact_person"
}
querySql := fmt.Sprintf(`
WITH RECURSIVE cte (id, name, age, sex, phone, identification, contact_person, region, address, health_situation, health_change_time, trajectory, create_user, modify_user, create_time, modify_time) AS (
SELECT id, name, age, sex, phone, identification, contact_person, region, address, health_situation, health_change_time, trajectory, create_user, modify_user, create_time, modify_time
FROM back_observation
WHERE contact_person = ?
UNION ALL
SELECT p.id, p.name, p.age, p.sex, p.phone, p.identification, p.contact_person, p.region, p.address, p.health_situation, p.health_change_time, p.trajectory, p.create_user, p.modify_user, p.create_time, p.modify_time
FROM back_observation p
INNER JOIN cte ON %s
)
SELECT * FROM cte
`, directionCond)
global.Db.Model(models.BackObservation{}).Raw(querySql, observationId).Scan(&res)
return res
}
//listObservation the queryMap need with table name
// Param queryMap the colMap of models.BackObservation
func listObservation(queryMap []map[string]interface{}) []models.ListObservation {
var observations []models.ListObservation
tx := global.Db.Model(new((models.BackObservation))).
Select("back_observation.*, back_pcr.detect_time AS pcr_time, detect_result AS pcr_result," +
"back_situation_record.create_time AS record_time, back_situation_record.record AS record").
Joins("LEFT JOIN back_pcr ON back_observation.id = back_pcr.observation").
Joins("LEFT JOIN back_situation_record ON back_observation.id = back_situation_record.observation")
for _, query := range queryMap {
query["is_delete"] = 0
// Add the table prefix
fullQuery := map[string]interface{}{}
for k := range query {
fullQuery["back_observation."+k] = query[k]
}
tx = tx.Or(fullQuery)
}
tx.Find(&observations)
return observations
}
//pullSituationRecord push situation record after pull observations
func pullSituationRecord(claims models.TokenClaims, observations []models.BackObservation) {
// Query observations' id
var identifications []string
for _, observation := range observations {
identifications = append(identifications, observation.Identification)
}
queryMap := []map[string]interface{}{{"identification": identifications}}
observationMaps := models.ListField[models.BackObservation](queryMap, false, "id", "identification")
// Assemble records
var records []models.BackSituationRecord
recordContent := record___20()
for _, observationMap := range *observationMaps {
record := models.BackSituationRecord{Observation: observationMap["id"].(int), Record: recordContent}
records = append(records, record)
}
// Insert into db
var recordsJMaps []map[string]interface{}
utils.Strcut2Map(records, &recordsJMaps)
recordsCMaps := models.MapsJ2c[models.BackSituationRecord](recordsJMaps, true)
models.BeforeBatchSave(&recordsCMaps, claims.ID)
models.BatchInsert[models.BackSituationRecord](recordsCMaps)
}
//pullNotify send notify after pull observations
func pullNotify(observations []models.BackObservation) {
var regions []string
for _, observation := range observations {
regions = append(regions, observation.Region)
}
regions = utils.Distinct(regions)
notification := models.BackNotification{Time: time.Now(), Kind: "疫情", Content: "出现了新的接触者,请及时登录系统进行处理"}
sendInfo := models.SendInfo{Region: regions, Channel: []int{0, 1}, Notification: notification}
notify.SendNotify(sendInfo)
}
//updateObservationRegion send notify while update observation's region
func updateObservationRegion(region string) {
notification := models.BackNotification{Time: time.Now(), Kind: "疫情", Content: "本地有新的接触者,请及时登录系统进行处理"}
sendInfo := models.SendInfo{Region: []string{region}, Channel: []int{0, 1}, Notification: notification}
notify.SendNotify(sendInfo)
}
//updateSituation make some special resolve while situation update
func updateSituation(claims models.TokenClaims, oldObservationMap, newObservationMap map[string]interface{}) {
if newObservationMap["health_situation"] != nil {
newHealthSituation := int(newObservationMap["health_situation"].(float64))
oldHealthSituation := oldObservationMap["health_situation"].(int)
// Update health situation change time and measure_situation
if newHealthSituation != oldHealthSituation {
newObservationMap["health_change_time"] = time.Now()
newObservationMap["measure_situation"] = 0
}
// Deal with contact to patient
if oldHealthSituation == 2 && newHealthSituation == 1 {
// Query sub contacts
queryMap := []map[string]interface{}{{"contact_person": oldObservationMap["id"].(int)}}
subContacts := models.ListField[models.BackObservation](queryMap, false, "id", "region")
// Get reginos and assemble situation record
var regions []string
var subContactRecords []models.BackSituationRecord
for _, subContact := range *subContacts {
regions = append(regions, subContact["region"].(string))
subContactRecord := models.BackSituationRecord{
Observation: int(newObservationMap["id"].(float64)),
Record: record___20(),
}
subContactRecords = append(subContactRecords, subContactRecord)
}
// Update sub contact
updateMap := map[string]interface{}{
"health_situation": 2,
"health_change_time": newObservationMap["health_change_time"],
"measure_situation": 0,
}
models.Update[models.BackObservation](queryMap, updateMap)
// Insert subContacts' record
var recordJMaps []map[string]interface{}
utils.Strcut2Map(subContactRecords, &recordJMaps)
recordCMap := models.MapsJ2c[models.BackSituationRecord](recordJMaps, true)
models.BeforeBatchSave(&recordCMap, claims.ID)
models.BatchInsert[models.BackSituationRecord](recordCMap)
// Send nofity
regions = utils.Distinct(regions)
notification := models.BackNotification{
Time: newObservationMap["health_change_time"].(time.Time),
Kind: "疫情",
Content: "由于密接者转为患者,次密接者状态需要修改",
}
sendInfo := models.SendInfo{
Region: regions,
Channel: []int{0, 1},
Notification: notification,
}
notify.SendNotify(sendInfo)
}
insertSituationRecord(claims, oldObservationMap, newObservationMap)
}
}
//insertSituationRecord insert situation record
func insertSituationRecord(claims models.TokenClaims, oldObservation, newObservation map[string]interface{}) bool {
var oldSituation, newSituation string
if oldObservation["id"] == nil {
// insert observation
oldSituation = "00"
} else {
// update observation
oldSituation = fmt.Sprintf("%d%d", oldObservation["health_situation"], oldObservation["measure_situation"])
}
if newObservation["health_situation"] == nil || newObservation["measure_situation"] == nil {
// Situation not update
return true
}
newSituation = fmt.Sprintf("%d%d", newObservation["health_situation"], newObservation["measure_situation"])
// Situation not update
if oldSituation == newSituation {
return true
}
// Set record content accrodding the situation convertions
var recordContent string
situationConvert := oldSituation + "_" + newSituation
switch situationConvert {
case "00_10":
recordContent = record00_10()
case "00_30":
recordContent = record00_30()
case "00_12":
recordContent = record00_12(newObservation["region"].(string), newObservation["address"].(string))
case "10_12":
recordContent = record10_12(newObservation["region"].(string), newObservation["address"].(string))
case "00_20", "33_20", "34_20":
recordContent = record___20()
case "12_01", "23_01", "24_01", "33_01", "34_01":
recordContent = record___01()
case "20_23", "30_33", "24_23", "34_33":
recordContent = record____3(newObservation["region"].(string), newObservation["address"].(string))
case "20_24", "30_34", "23_24", "33_34":
recordContent = record____4(newObservation["region"].(string), newObservation["address"].(string))
case "23_10", "24_10", "33_10", "34_10":
recordContent = record___10()
default:
if oldSituation != "00" {
models.Upsert[models.BackObservation](oldObservation)
} else {
models.DropById[models.BackObservation](newObservation["id"].(int))
}
return false
}
record := models.BackSituationRecord{Observation: newObservation["id"].(int), Record: recordContent}
var recordJMap map[string]interface{}
utils.Strcut2Map(record, &recordJMap)
recordCMap := models.MapJ2c[models.BackSituationRecord](recordJMap, true)
models.BeforeSave(recordCMap, claims.ID)
models.Upsert[models.BackSituationRecord](recordCMap)
return true
}
func record00_10() string {
date := utils.FormatDate(time.Now())
return date + " 确诊为患者"
}
func record00_12(region, address string) string {
date := utils.FormatDate(time.Now())
return fmt.Sprintf("%s 于 %s %s 确诊为患者", date, region, address)
}
func record___20() string {
date := utils.FormatDate(time.Now())
return date + " 转为密接"
}
func record00_30() string {
date := utils.FormatDate(time.Now())
return date + " 转为次密接"
}
func record___01() string {
date := utils.FormatDate(time.Now())
return fmt.Sprintf("%s 解除风险", date)
}
func record10_12(region, address string) string {
date := utils.FormatDate(time.Now())
return fmt.Sprintf("%s 转至医院:%s %s", date, region, address)
}
func record___10() string {
date := utils.FormatDate(time.Now())
return date + " 确诊为患者"
}
func record____3(region, address string) string {
date := utils.FormatDate(time.Now())
return fmt.Sprintf("%s 集中隔离至:%s %s", date, region, address)
}
func record____4(region, address string) string {
date := utils.FormatDate(time.Now())
return fmt.Sprintf("%s 进行居家隔离:%s %s", date, region, address)
}