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implement relationship delete

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This commit is contained in:
Vargha Csongor
2025-04-01 23:17:27 +02:00
parent d3ed3f8b75
commit 59b31cb71a
2 changed files with 66 additions and 19 deletions
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3
apps/db-adapter/internal/memgraph/queries/delete_relationship.cypher Normal file
View File

@@ -0,0 +1,3 @@
MATCH (a:Person)-[r]-(b:Person)
WHERE id(a) = $id1 AND id(b) = $id2 AND type(r) != Admin
DELETE r;

82
apps/db-adapter/internal/memgraph/relationship.go
View File

@@ -4,6 +4,7 @@ import (
"context"
"github.com/neo4j/neo4j-go-driver/v5/neo4j"
"github.com/vcscsvcscs/GenerationsHeritage/apps/db-adapter/pkg/api"
)
func GetRelationship(ctx context.Context, id1, id2 int) neo4j.ManagedTransactionWork {
@@ -16,25 +17,6 @@ func GetRelationship(ctx context.Context, id1, id2 int) neo4j.ManagedTransaction
return nil, err
}
records, err := result.Collect(ctx)
if err != nil {
return nil, err
}
return records, nil
}
}
func CreateChildParentRelationship(ctx context.Context, childId, parentId int) neo4j.ManagedTransactionWork {
return func(tx neo4j.ManagedTransaction) (any, error) {
result, err := tx.Run(ctx, CreateChildParentRelationshipCypherQuery, map[string]any{
"childId": childId,
"parentId": parentId,
})
if err != nil {
return nil, err
}
record, err := result.Single(ctx)
if err != nil {
return nil, err
@@ -43,3 +25,65 @@ func CreateChildParentRelationship(ctx context.Context, childId, parentId int) n
return record.AsMap(), nil
}
}
func DeleteRelationship(ctx context.Context, id1, id2 int) neo4j.ManagedTransactionWork {
return func(tx neo4j.ManagedTransaction) (any, error) {
result, err := tx.Run(ctx, DeleteRelationshipCypherQuery, map[string]any{
"id1": id1,
"id2": id2,
})
if err != nil {
return nil, err
}
return !result.Peek(ctx), nil
}
}
func CreateChildParentRelationship(ctx context.Context, childId, parentId int) neo4j.ManagedTransactionWork {
return func(tx neo4j.ManagedTransaction) (any, error) {
result, err := tx.Run(ctx, CreateChildParentRelationshipCypherQuery, map[string]any{
"childId": childId,
"parentId": parentId,
"childRelationship": api.FamilyRelationship{},
"parentRelationship": api.FamilyRelationship{},
})
if err != nil {
return nil, err
}
return result.Single(ctx)
}
}
func CreateSiblingRelationship(ctx context.Context, siblingId1, siblingId2 int) neo4j.ManagedTransactionWork {
return func(tx neo4j.ManagedTransaction) (any, error) {
result, err := tx.Run(ctx, CreateSiblingRelationshipCypherQuery, map[string]any{
"id1": siblingId1,
"id2": siblingId2,
"Relationship1": api.FamilyRelationship{},
"Relationship2": api.FamilyRelationship{},
})
if err != nil {
return nil, err
}
return result.Collect(ctx)
}
}
func CreateSpouseRelationship(ctx context.Context, spouseId1, spouseId2 int) neo4j.ManagedTransactionWork {
return func(tx neo4j.ManagedTransaction) (any, error) {
result, err := tx.Run(ctx, CreateSpouseRelationshipCypherQuery, map[string]any{
"id1": spouseId1,
"id2": spouseId2,
"Relationship1": api.FamilyRelationship{},
"Relationship2": api.FamilyRelationship{},
})
if err != nil {
return nil, err
}
return result.Collect(ctx)
}
}