RMR handler for A1 policy query

[ric-plt/a1.git] / a1-go / pkg / policy / policyManager.go

diff --git a/a1-go/pkg/policy/policyManager.go b/a1-go/pkg/policy/policyManager.go
index bcf7a1a..15f325b 100644 (file)
--- a/a1-go/pkg/policy/policyManager.go
+++ b/a1-go/pkg/policy/policyManager.go
@@ -22,15 +22,24 @@
 package policy
 
 import (
+       "errors"
+       "fmt"
        "strconv"
+       "strings"
 
        "gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/a1"
+       "gerrit.o-ran-sc.org/r/ric-plt/a1/pkg/models"
        "gerrit.o-ran-sc.org/r/ric-plt/sdlgo"
 )
 
+var policyTypeNotFoundError = errors.New("Policy Type Not Found")
+var policyInstanceNotFoundError = errors.New("Policy Instance Not Found")
+
 const (
-       a1HandlerPrefix = "a1.policy_handler."
-       a1MediatorNs    = "A1m_ns"
+       a1HandlerPrefix  = "a1.policy_handler."
+       a1PolicyPrefix   = "a1.policy_type."
+       a1MediatorNs     = "A1m_ns"
+       a1InstancePrefix = "a1.policy_instance."
 )
 
 func NewPolicyManager(sdl *sdlgo.SyncStorage) *PolicyManager {
@@ -53,3 +62,80 @@ func (pm *PolicyManager) SetPolicyInstanceStatus(policyTypeId int, policyInstanc
        }
        return nil
 }
+
+func (im *PolicyManager) GetAllPolicyInstance(policyTypeId int) ([]models.PolicyInstanceID, error) {
+       a1.Logger.Debug("GetAllPolicyInstance")
+       var policyTypeInstances = []models.PolicyInstanceID{}
+
+       keys, err := im.db.GetAll("A1m_ns")
+
+       if err != nil {
+               a1.Logger.Error("error in retrieving policy. err: %v", err)
+               return policyTypeInstances, err
+       }
+       a1.Logger.Debug("keys : %+v", keys)
+       typekey := a1InstancePrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "."
+
+       for _, key := range keys {
+               if strings.HasPrefix(strings.TrimLeft(key, " "), typekey) {
+                       pti := strings.Split(strings.Trim(key, " "), typekey)[1]
+                       a1.Logger.Debug("pti %+v", pti)
+                       policyTypeInstances = append(policyTypeInstances, models.PolicyInstanceID(pti))
+               }
+       }
+
+       if len(policyTypeInstances) == 0 {
+               a1.Logger.Debug("policy instance Not Present  ")
+               return policyTypeInstances, policyInstanceNotFoundError
+       }
+
+       a1.Logger.Debug("return : %+v", policyTypeInstances)
+       return policyTypeInstances, nil
+}
+
+func (im *PolicyManager) GetPolicyInstance(policyTypeId models.PolicyTypeID, policyInstanceID models.PolicyInstanceID) (interface{}, error) {
+       a1.Logger.Debug("GetPolicyInstance1")
+
+       var keys [1]string
+
+       typekey := a1PolicyPrefix + strconv.FormatInt((int64(policyTypeId)), 10)
+       keys[0] = typekey
+
+       a1.Logger.Debug("key1 : %+v", typekey)
+
+       valmap, err := im.db.Get(a1MediatorNs, keys[:])
+       if len(valmap) == 0 {
+               a1.Logger.Debug("policy type Not Present for policyid : %v", policyTypeId)
+               return nil, policyTypeNotFoundError
+       }
+
+       if err != nil {
+               a1.Logger.Error("error in retrieving policy type. err: %v", err)
+               return nil, err
+       }
+
+       if valmap[typekey] == nil {
+               a1.Logger.Debug("policy type Not Present for policyid : %v", policyTypeId)
+               return nil, policyTypeNotFoundError
+       }
+
+       a1.Logger.Debug("keysmap : %+v", valmap[typekey])
+
+       instancekey := a1InstancePrefix + strconv.FormatInt((int64(policyTypeId)), 10) + "." + string(policyInstanceID)
+       a1.Logger.Debug("key2 : %+v", instancekey)
+       keys[0] = instancekey
+       instanceMap, err := im.db.Get(a1MediatorNs, keys[:])
+       if err != nil {
+               a1.Logger.Error("policy instance error : %v", err)
+               return nil, err
+       }
+       a1.Logger.Debug("policyinstancetype map : %+v", instanceMap)
+
+       if instanceMap[instancekey] == nil {
+               a1.Logger.Debug("policy instance Not Present for policyinstaneid : %v", policyInstanceID)
+               return nil, policyInstanceNotFoundError
+       }
+
+       valStr := fmt.Sprint(instanceMap[instancekey])
+       return valStr, nil
+}