rating.go

Copyright 2021 Red Hat, Inc

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

package
storage
import
(
"database/sql"
"fmt"
"time"
"github.com/rs/zerolog/log"
"github.com/RedHatInsights/insights-results-aggregator/metrics"
"github.com/RedHatInsights/insights-results-aggregator/types"
)

RateOnRule function stores the vote (rating) from a given user to a rule+error key

func
(
storage
*
OCPRecommendationsDBStorage
)
RateOnRule
(
orgID
types
.
OrgID
,
ruleFqdn
types
.
RuleID
,
errorKey
types
.
ErrorKey
,
rating
types
.
UserVote
,
)
error
{
query
:=
` INSERT INTO advisor_ratings (org_id, rule_fqdn, error_key, rated_at, last_updated_at, rating, rule_id) VALUES ($1, $2, $3, $4, $5, $6, $7) ON CONFLICT (org_id, rule_fqdn, error_key) DO UPDATE SET last_updated_at = $5, rating = $6 `
statement
,
err
:=
storage
.
connection
.
Prepare
(
query
)
if
err
!=
nil
{
log
.
Error
(
)
.
Err
(
err
)
.
Msg
(
"RateOnRule Unable to prepare statement"
)
}
defer
func
(
)
{
err
:=
statement
.
Close
(
)
if
err
!=
nil
{
log
.
Error
(
)
.
Err
(
err
)
.
Msg
(
closeStatementError
)
}
}
(
)
now
:=
time
.
Now
(
)
ruleID
:=
string
(
ruleFqdn
)
+
"|"
+
string
(
errorKey
)
_
,
err
=
statement
.
Exec
(
orgID
,
ruleFqdn
,
errorKey
,
now
,
now
,
rating
,
ruleID
)
err
=
types
.
ConvertDBError
(
err
,
nil
)
if
err
!=
nil
{
log
.
Error
(
)
.
Err
(
err
)
.
Msg
(
"RateOnRule"
)
return
err
}
metrics
.
RatingOnRules
.
Inc
(
)
return
nil
}

GetRuleRating retrieves rating for given rule and user

func
(
storage
*
OCPRecommendationsDBStorage
)
GetRuleRating
(
orgID
types
.
OrgID
,
ruleSelector
types
.
RuleSelector
,
)
(
ruleRating
types
.
RuleRating
,
err
error
,
)
{
err
=
storage
.
connection
.
QueryRow
(
`SELECT rule_id, rating FROM advisor_ratings WHERE org_id = $1 AND rule_id = $2`
,
orgID
,
ruleSelector
,
)
.
Scan
(
&
ruleRating
.
Rule
,
&
ruleRating
.
Rating
,
)
if
err
!=
nil
{
if
err
==
sql
.
ErrNoRows
{
err
=
&
types
.
ItemNotFoundError
{
ItemID
:
fmt
.
Sprintf
(
"%v/%v/rating"
,
orgID
,
ruleSelector
)
,
}
}
}
return
}