85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
package service
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import (
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"axolotl/models"
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"axolotl/store"
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"fmt"
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)
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// NodeService is the single entry point for all node operations.
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// All data-model integrity rules are enforced here; callers cannot produce
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// invalid state by interacting with this interface alone.
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//
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// Every NodeService instance is bound to a specific user (see User()).
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// GetNodeService returns an error when no user is configured.
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type NodeService interface {
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// User returns the name/ID of the user this service instance acts on behalf of.
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User() string
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// Query
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GetByID(id string) (*models.Node, error)
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List(filter ListFilter) ([]*models.Node, error)
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// Lifecycle
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Add(input AddInput) (*models.Node, error)
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Update(id string, input UpdateInput) (*models.Node, error)
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Delete(id string) error
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// User management
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AddUser(name string) (*models.Node, error)
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ListUsers() ([]*models.Node, error)
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}
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// AddInput describes a new node to create.
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// Rels may contain tag rels (Target == ""), property rels (Target == "",
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// Type is "prefix::value"), and edge rels (Target is a node name or ID).
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// The service applies defaults (type=issue, status=open for issues) and validates.
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type AddInput struct {
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Title string
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Content string
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DueDate string
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Rels []RelInput
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}
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// UpdateInput describes changes to apply to an existing node.
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// AddRels and RemoveRels accept both tag rels (Target == "") and edge rels.
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// Setting _status::done in AddRels is rejected when the node has open blockers.
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// Adding assignee or in_namespace rels replaces the previous single target.
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type UpdateInput struct {
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Title *string
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Content *string
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DueDate *string // nil = no change; pointer to "" = clear due date
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AddRels []RelInput
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RemoveRels []RelInput
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}
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// ListFilter specifies which nodes to return. Empty slices are ignored.
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// Tag filters (Target == "") match by rel_name prefix.
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// Edge filters (Target != "") are resolved to node IDs.
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type ListFilter struct {
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Rels []RelInput
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}
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// RelInput is a typed, directed rel with a target that may be a name or node ID.
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// Target == "" means this is a tag or property rel (no target node).
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type RelInput struct {
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Type models.RelType
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Target string // name or node ID; the service resolves names. Empty = tag rel.
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}
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func InitNodeService(path string) error {
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return store.InitSQLiteStore(path)
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}
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func GetNodeService(cfg Config) (NodeService, error) {
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user := cfg.GetUser()
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if user == "" {
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return nil, fmt.Errorf("no user configured: run 'ax user set <username>' first")
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}
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st, err := store.FindAndOpenSQLiteStore()
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if err != nil {
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return nil, err
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}
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return &nodeServiceImpl{store: st, userID: user}, nil
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}
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