path: root/cmd/_old/tourian/ent/mutation.go

// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"sync"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"within.website/x/cmd/tourian/ent/chatmessage"
	"within.website/x/cmd/tourian/ent/conversation"
	"within.website/x/cmd/tourian/ent/predicate"
)

const (
	// Operation types.
	OpCreate    = ent.OpCreate
	OpDelete    = ent.OpDelete
	OpDeleteOne = ent.OpDeleteOne
	OpUpdate    = ent.OpUpdate
	OpUpdateOne = ent.OpUpdateOne

	// Node types.
	TypeChatMessage  = "ChatMessage"
	TypeConversation = "Conversation"
)

// ChatMessageMutation represents an operation that mutates the ChatMessage nodes in the graph.
type ChatMessageMutation struct {
	config
	op              Op
	typ             string
	id              *string
	conversation_id *string
	role            *string
	content         *string
	clearedFields   map[string]struct{}
	done            bool
	oldValue        func(context.Context) (*ChatMessage, error)
	predicates      []predicate.ChatMessage
}

var _ ent.Mutation = (*ChatMessageMutation)(nil)

// chatmessageOption allows management of the mutation configuration using functional options.
type chatmessageOption func(*ChatMessageMutation)

// newChatMessageMutation creates new mutation for the ChatMessage entity.
func newChatMessageMutation(c config, op Op, opts ...chatmessageOption) *ChatMessageMutation {
	m := &ChatMessageMutation{
		config:        c,
		op:            op,
		typ:           TypeChatMessage,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withChatMessageID sets the ID field of the mutation.
func withChatMessageID(id string) chatmessageOption {
	return func(m *ChatMessageMutation) {
		var (
			err   error
			once  sync.Once
			value *ChatMessage
		)
		m.oldValue = func(ctx context.Context) (*ChatMessage, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().ChatMessage.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withChatMessage sets the old ChatMessage of the mutation.
func withChatMessage(node *ChatMessage) chatmessageOption {
	return func(m *ChatMessageMutation) {
		m.oldValue = func(context.Context) (*ChatMessage, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m ChatMessageMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m ChatMessageMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// SetID sets the value of the id field. Note that this
// operation is only accepted on creation of ChatMessage entities.
func (m *ChatMessageMutation) SetID(id string) {
	m.id = &id
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *ChatMessageMutation) ID() (id string, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *ChatMessageMutation) IDs(ctx context.Context) ([]string, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []string{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().ChatMessage.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetConversationID sets the "conversation_id" field.
func (m *ChatMessageMutation) SetConversationID(s string) {
	m.conversation_id = &s
}

// ConversationID returns the value of the "conversation_id" field in the mutation.
func (m *ChatMessageMutation) ConversationID() (r string, exists bool) {
	v := m.conversation_id
	if v == nil {
		return
	}
	return *v, true
}

// OldConversationID returns the old "conversation_id" field's value of the ChatMessage entity.
// If the ChatMessage object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *ChatMessageMutation) OldConversationID(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldConversationID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldConversationID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v,