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"filePath": "\/var\/www\/dev.campus.systemische-tools.de\/src\/Domain\/Entity\/ChatMessage.php",
"content": "<?php\n\ndeclare(strict_types=1);\n\nnamespace Domain\\Entity;\n\n\/\/ @responsibility: Chat-Message-Entitaet mit Token-Tracking\n\nuse Domain\\ValueObject\\MessageRole;\n\nclass ChatMessage\n{\n private ?int $id = null;\n private int $sessionId;\n private MessageRole $role;\n private string $content;\n private ?string $model = null;\n private ?int $tokensInput = null;\n private ?int $tokensOutput = null;\n \/** @var array<mixed>|null *\/\n private ?array $sources = null;\n private ?float $startMicrotime = null;\n private ?float $endMicrotime = null;\n private ?int $authorProfileId = null;\n private ?int $systemPromptId = null;\n \/** @var array<string>|null *\/\n private ?array $collections = null;\n private ?int $contextLimit = null;\n \/** @var array<mixed>|null *\/\n private ?array $chunksUsed = null;\n private ?int $llmRequestId = null;\n private \\DateTimeImmutable $createdAt;\n\n public function __construct(int $sessionId, MessageRole $role, string $content)\n {\n $this->sessionId = $sessionId;\n $this->role = $role;\n $this->content = $content;\n $this->createdAt = new \\DateTimeImmutable();\n }\n\n \/\/ Factory methods\n public static function userMessage(int $sessionId, string $content): self\n {\n return new self($sessionId, MessageRole::USER, $content);\n }\n\n public static function assistantMessage(int $sessionId, string $content, string $model): self\n {\n $message = new self($sessionId, MessageRole::ASSISTANT, $content);\n $message->model = $model;\n\n return $message;\n }\n\n public static function systemMessage(int $sessionId, string $content): self\n {\n return new self($sessionId, MessageRole::SYSTEM, $content);\n }\n\n \/\/ Getters\n public function getId(): ?int\n {\n return $this->id;\n }\n\n public function getSessionId(): int\n {\n return $this->sessionId;\n }\n\n public function getRole(): MessageRole\n {\n return $this->role;\n }\n\n public function getContent(): string\n {\n return $this->content;\n }\n\n public function getModel(): ?string\n {\n return $this->model;\n }\n\n public function getTokensInput(): ?int\n {\n return $this->tokensInput;\n }\n\n public function getTokensOutput(): ?int\n {\n return $this->tokensOutput;\n }\n\n public function getTotalTokens(): int\n {\n return ($this->tokensInput ?? 0) + ($this->tokensOutput ?? 0);\n }\n\n \/**\n * @return array<mixed>|null\n *\/\n public function getSources(): ?array\n {\n return $this->sources;\n }\n\n public function getStartMicrotime(): ?float\n {\n return $this->startMicrotime;\n }\n\n public function getEndMicrotime(): ?float\n {\n return $this->endMicrotime;\n }\n\n public function getDurationMs(): ?float\n {\n if ($this->startMicrotime === null || $this->endMicrotime === null) {\n return null;\n }\n\n return ($this->endMicrotime - $this->startMicrotime) * 1000;\n }\n\n public function getAuthorProfileId(): ?int\n {\n return $this->authorProfileId;\n }\n\n public function getSystemPromptId(): ?int\n {\n return $this->systemPromptId;\n }\n\n \/**\n * @return array<string>|null\n *\/\n public function getCollections(): ?array\n {\n return $this->collections;\n }\n\n public function getContextLimit(): ?int\n {\n return $this->contextLimit;\n }\n\n \/**\n * @return array<mixed>|null\n *\/\n public function getChunksUsed(): ?array\n {\n return $this->chunksUsed;\n }\n\n public function getLlmRequestId(): ?int\n {\n return $this->llmRequestId;\n }\n\n public function getCreatedAt(): \\DateTimeImmutable\n {\n return $this->createdAt;\n }\n\n \/\/ Setters\n public function setId(int $id): self\n {\n $this->id = $id;\n\n return $this;\n }\n\n public function setModel(?string $model): self\n {\n $this->model = $model;\n\n return $this;\n }\n\n public function setTokens(?int $input, ?int $output): self\n {\n $this->tokensInput = $input;\n $this->tokensOutput = $output;\n\n return $this;\n }\n\n \/**\n * @param array<mixed>|null $sources\n *\/\n public function setSources(?array $sources): self\n {\n $this->sources = $sources;\n\n return $this;\n }\n\n public function setTiming(?float $start, ?float $end): self\n {\n $this->startMicrotime = $start;\n $this->endMicrotime = $end;\n\n return $this;\n }\n\n public function setAuthorProfileId(?int $authorProfileId): self\n {\n $this->authorProfileId = $authorProfileId;\n\n return $this;\n }\n\n public function setSystemPromptId(?int $systemPromptId): self\n {\n $this->systemPromptId = $systemPromptId;\n\n return $this;\n }\n\n \/**\n * @param array<string>|null $collections\n *\/\n public function setCollections(?array $collections): self\n {\n $this->collections = $collections;\n\n return $this;\n }\n\n public function setContextLimit(?int $contextLimit): self\n {\n $this->contextLimit = $contextLimit;\n\n return $this;\n }\n\n \/**\n * @param array<mixed>|null $chunksUsed\n *\/\n public function setChunksUsed(?array $chunksUsed): self\n {\n $this->chunksUsed = $chunksUsed;\n\n return $this;\n }\n\n public function setLlmRequestId(?int $llmRequestId): self\n {\n $this->llmRequestId = $llmRequestId;\n\n return $this;\n }\n\n public function setCreatedAt(\\DateTimeImmutable $createdAt): self\n {\n $this->createdAt = $createdAt;\n\n return $this;\n }\n\n \/**\n * Check if message is from user.\n *\/\n public function isUser(): bool\n {\n return $this->role->isUser();\n }\n\n \/**\n * Check if message is from assistant.\n *\/\n public function isAssistant(): bool\n {\n return $this->role->isAssistant();\n }\n\n \/**\n * Convert to array for persistence.\n *\n * @return array<string, mixed>\n *\/\n public function toArray(): array\n {\n return [\n 'id' => $this->id,\n 'session_id' => $this->sessionId,\n 'role' => $this->role->value,\n 'content' => $this->content,\n 'model' => $this->model,\n 'tokens_input' => $this->tokensInput,\n 'tokens_output' => $this->tokensOutput,\n 'sources' => $this->sources !== null ? json_encode($this->sources) : null,\n 'start_microtime' => $this->startMicrotime,\n 'end_microtime' => $this->endMicrotime,\n 'author_profile_id' => $this->authorProfileId,\n 'system_prompt_id' => $this->systemPromptId,\n 'collections' => $this->collections !== null ? json_encode($this->collections) : null,\n 'context_limit' => $this->contextLimit,\n 'chunks_used' => $this->chunksUsed !== null ? json_encode($this->chunksUsed) : null,\n 'llm_request_id' => $this->llmRequestId,\n 'created_at' => $this->createdAt->format('Y-m-d H:i:s'),\n ];\n }\n\n \/**\n * Create from database row.\n *\n * @param array<string, mixed> $data\n *\/\n public static function fromArray(array $data): self\n {\n $message = new self(\n (int) $data['session_id'],\n MessageRole::from($data['role']),\n $data['content']\n );\n\n if (isset($data['id'])) {\n $message->setId((int) $data['id']);\n }\n if (isset($data['model'])) {\n $message->setModel($data['model']);\n }\n if (isset($data['tokens_input']) || isset($data['tokens_output'])) {\n $message->setTokens(\n isset($data['tokens_input']) ? (int) $data['tokens_input'] : null,\n isset($data['tokens_output']) ? (int) $data['tokens_output'] : null\n );\n }\n if (isset($data['sources'])) {\n $sources = is_string($data['sources']) ? json_decode($data['sources'], true) : $data['sources'];\n $message->setSources(is_array($sources) ? $sources : null);\n }\n if (isset($data['start_microtime']) || isset($data['end_microtime'])) {\n $message->setTiming(\n isset($data['start_microtime']) ? (float) $data['start_microtime'] : null,\n isset($data['end_microtime']) ? (float) $data['end_microtime'] : null\n );\n }\n if (isset($data['author_profile_id'])) {\n $message->setAuthorProfileId((int) $data['author_profile_id']);\n }\n if (isset($data['system_prompt_id'])) {\n $message->setSystemPromptId((int) $data['system_prompt_id']);\n }\n if (isset($data['collections'])) {\n $collections = is_string($data['collections']) ? json_decode($data['collections'], true) : $data['collections'];\n $message->setCollections(is_array($collections) ? $collections : null);\n }\n if (isset($data['context_limit'])) {\n $message->setContextLimit((int) $data['context_limit']);\n }\n if (isset($data['chunks_used'])) {\n $chunks = is_string($data['chunks_used']) ? json_decode($data['chunks_used'], true) : $data['chunks_used'];\n $message->setChunksUsed(is_array($chunks) ? $chunks : null);\n }\n if (isset($data['llm_request_id'])) {\n $message->setLlmRequestId((int) $data['llm_request_id']);\n }\n if (isset($data['created_at'])) {\n $message->setCreatedAt(new \\DateTimeImmutable($data['created_at']));\n }\n\n return $message;\n }\n}\n",
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