/
iscn.go
170 lines (155 loc) · 5.24 KB
/
iscn.go
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package db
import (
"encoding/json"
"fmt"
"github.com/jackc/pgtype"
"github.com/jackc/pgx/v4"
"github.com/jackc/pgx/v4/pgxpool"
"github.com/likecoin/likecoin-chain-tx-indexer/logger"
"github.com/likecoin/likecoin-chain-tx-indexer/utils"
)
const MAX_LIMIT = 100
func QueryIscn(conn *pgxpool.Conn, query IscnQuery, page PageRequest) (IscnResponse, error) {
ownerVariations := utils.ConvertAddressPrefixes(query.Owner, AddressPrefixes)
stakeholderIdVariataions := utils.ConvertAddressPrefixes(query.StakeholderId, AddressPrefixes)
sql := fmt.Sprintf(`
SELECT DISTINCT ON (id) id, iscn_id, owner, timestamp, ipld, iscn.data
FROM iscn
JOIN iscn_latest_version
ON iscn.iscn_id_prefix = iscn_latest_version.iscn_id_prefix
AND ($10 = true OR iscn.version = iscn_latest_version.latest_version)
LEFT JOIN iscn_stakeholders
ON id = iscn_pid
WHERE
($1 = '' OR iscn_id = $1)
AND ($2 = '' OR iscn.iscn_id_prefix = $2)
AND ($3::text[] IS NULL OR cardinality($3::text[]) = 0 OR owner = ANY($3))
AND ($4::text[] IS NULL OR cardinality($4::text[]) = 0 OR keywords @> $4)
AND ($5::text[] IS NULL OR cardinality($5::text[]) = 0 OR fingerprints @> $5)
AND ($6::text[] IS NULL OR cardinality($6::text[]) = 0 OR sid = ANY($6::text[]))
AND ($7 = '' OR sname = $7)
AND ($8 = 0 OR id > $8)
AND ($9 = 0 OR id < $9)
ORDER BY id %s, timestamp
LIMIT %d;
`, page.Order(), MAX_LIMIT)
ctx, cancel := GetTimeoutContext()
defer cancel()
rows, err := conn.Query(
ctx, sql,
query.IscnId, query.IscnIdPrefix, ownerVariations, query.Keywords,
query.Fingerprints, stakeholderIdVariataions, query.StakeholderName,
page.After(), page.Before(), query.AllIscnVersions,
)
if err != nil {
logger.L.Errorw("query ISCN failed", "error", err, "iscn_query", query)
return IscnResponse{}, fmt.Errorf("query ISCN failed: %w", err)
}
defer rows.Close()
return parseIscn(rows, page.Limit)
}
func QueryIscnList(conn *pgxpool.Conn, pagination PageRequest, allIscnVersions bool) (IscnResponse, error) {
ctx, cancel := GetTimeoutContext()
defer cancel()
sql := fmt.Sprintf(`
SELECT id, iscn_id, owner, timestamp, ipld, data
FROM iscn
JOIN iscn_latest_version
ON iscn.iscn_id_prefix = iscn_latest_version.iscn_id_prefix
AND ($3 = true OR iscn.version = iscn_latest_version.latest_version)
WHERE ($1 = 0 OR id > $1)
AND ($2 = 0 OR id < $2)
ORDER BY id %s
LIMIT %d;
`, pagination.Order(), MAX_LIMIT)
rows, err := conn.Query(ctx, sql, pagination.After(), pagination.Before(), allIscnVersions)
if err != nil {
logger.L.Errorw("Query error:", "error", err)
return IscnResponse{}, err
}
defer rows.Close()
return parseIscn(rows, pagination.Limit)
}
func QueryIscnSearch(conn *pgxpool.Conn, term string, pagination PageRequest, allIscnVersions bool) (IscnResponse, error) {
order := pagination.Order()
sql := fmt.Sprintf(`
SELECT DISTINCT ON (id) id, iscn_id, owner, timestamp, ipld, data
FROM (
(
SELECT DISTINCT ON (id) id, iscn_id, owner, timestamp, ipld, iscn.data
FROM iscn
JOIN iscn_latest_version
ON iscn.iscn_id_prefix = iscn_latest_version.iscn_id_prefix
AND ($6 = true OR iscn.version = iscn_latest_version.latest_version)
LEFT JOIN iscn_stakeholders
ON id = iscn_pid
WHERE
(
sid = ANY($3)
OR sname = $1
)
AND ($4 = 0 OR id > $4)
AND ($5 = 0 OR id < $5)
ORDER BY id, timestamp %[1]s
LIMIT %[2]d
)
UNION ALL
(
SELECT DISTINCT ON (id) id, iscn_id, owner, timestamp, ipld, iscn.data
FROM iscn
JOIN iscn_latest_version
ON iscn.iscn_id_prefix = iscn_latest_version.iscn_id_prefix
AND ($6 = true OR iscn.version = iscn_latest_version.latest_version)
WHERE
(
iscn_id = $1
OR iscn.iscn_id_prefix = $1
OR owner = ANY($3::text[])
OR keywords @> $2::text[]
OR fingerprints @> $2::text[]
)
AND ($4 = 0 OR id > $4)
AND ($5 = 0 OR id < $5)
ORDER BY id, timestamp %[1]s
LIMIT %[2]d
)
) t
ORDER BY id, timestamp %[1]s
LIMIT %[2]d
`, order, MAX_LIMIT)
ctx, cancel := GetTimeoutContext()
defer cancel()
rows, err := conn.Query(ctx, sql,
term, []string{term}, utils.ConvertAddressPrefixes(term, AddressPrefixes),
pagination.After(), pagination.Before(), allIscnVersions,
)
if err != nil {
logger.L.Errorw("query ISCN failed", "error", err, "term", term)
return IscnResponse{}, fmt.Errorf("query ISCN failed: %w", err)
}
defer rows.Close()
return parseIscn(rows, pagination.Limit)
}
func parseIscn(rows pgx.Rows, limit int) (IscnResponse, error) {
res := IscnResponse{}
for rows.Next() && len(res.Records) < limit {
var iscn iscnResponseData
var ipld string
var data pgtype.JSONB
err := rows.Scan(&res.Pagination.NextKey, &iscn.Id, &iscn.Owner, &iscn.RecordTimestamp, &ipld, &data)
if err != nil {
logger.L.Errorw("scan ISCN row failed", "error", err)
return res, fmt.Errorf("scan ISCN failed: %w", err)
}
if err = json.Unmarshal(data.Bytes, &iscn); err != nil {
logger.L.Errorw("unmarshal ISCN data failed", "error", err, "data", string(data.Bytes))
return res, fmt.Errorf("unmarshal ISCN data failed: %w", err)
}
res.Records = append(res.Records, iscnResponseRecord{
Ipld: ipld,
Data: iscn,
})
}
res.Pagination.Count = len(res.Records)
return res, nil
}