86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package agent
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import (
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"context"
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"sync"
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"go.probo.inc/probo/pkg/llm"
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)
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var _ Session = (*memorySession)(nil)
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type memorySession struct {
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mu sync.RWMutex
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sessions map[string][]llm.Message
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}
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func NewMemorySession() *memorySession {
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return &memorySession{
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sessions: make(map[string][]llm.Message),
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}
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}
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func (s *memorySession) Load(_ context.Context, sessionID string) ([]llm.Message, error) {
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s.mu.RLock()
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defer s.mu.RUnlock()
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msgs, ok := s.sessions[sessionID]
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if !ok {
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return nil, nil
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}
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cp := make([]llm.Message, len(msgs))
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for i, m := range msgs {
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cp[i] = copyMessage(m)
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}
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return cp, nil
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}
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func (s *memorySession) Save(_ context.Context, sessionID string, messages []llm.Message) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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cp := make([]llm.Message, len(messages))
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for i, m := range messages {
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cp[i] = copyMessage(m)
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}
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s.sessions[sessionID] = cp
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return nil
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}
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func copyMessage(m llm.Message) llm.Message {
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cp := llm.Message{
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Role: m.Role,
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ToolCallID: m.ToolCallID,
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}
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if len(m.Parts) > 0 {
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cp.Parts = make([]llm.Part, len(m.Parts))
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copy(cp.Parts, m.Parts)
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}
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if len(m.ToolCalls) > 0 {
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cp.ToolCalls = make([]llm.ToolCall, len(m.ToolCalls))
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copy(cp.ToolCalls, m.ToolCalls)
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}
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return cp
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}
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