Files
pdf-reporting/report_generator/commands/generate.py
T

89 lines
2.8 KiB
Python

"""report_generator generate command."""
from pathlib import Path
from uuid import UUID
from cc_common.api import PipelineError, context
from cc_common.utils import print
from pydantic import BaseModel, Field
from persistent_storage.shared import StorageConfiguration
from ..rendering import render
from ..sources import collect
# Where the report goes when the caller names no path.
DEFAULT_DIRECTORY = Path("reports")
class GenerateProperties(BaseModel):
"""Configuration properties for the generate CLI command.
Attributes:
scan_id: The scan to report on.
path: Where to write the PDF. A directory is written into under the name
the renderer chose; leaving it out writes into ``reports/``.
storage_config: The store the scan's artifacts are read from.
"""
scan_id: UUID = Field(description="The scan the report should be generated for.")
path: Path | None = Field(default=None, description="Where to write the PDF report.")
storage_config: StorageConfiguration
class GeneratedReport(BaseModel):
"""The report that was written.
Attributes:
scan_id: The scan it is about.
path: The file written.
size: How large it came out, in bytes.
"""
scan_id: UUID
path: Path
size: int
def print_as_cc_common_result(self) -> None:
"""Say what was written and where."""
print(f"[bold]Report for scan {self.scan_id}[/bold]")
print(f" {self.size / 1024:.0f} kB written to {self.path}")
def generate(properties: GenerateProperties) -> GeneratedReport:
"""Build the PDF report of one scan and write it.
Args:
properties: Parsed command properties naming the scan and the destination.
Returns:
The report that was written.
Raises:
PipelineError: The scan cannot be read, is missing an input the report
needs, or the destination cannot be written.
"""
sources = collect(properties.storage_config, properties.scan_id)
name, content = render(sources)
destination = _destination(properties.path, name)
try:
destination.parent.mkdir(parents=True, exist_ok=True)
destination.write_bytes(content)
except OSError as error:
message = f"Cannot write the report to '{destination}': {error}"
raise PipelineError(message) from error
context.logger.info(f"Report written to {destination} ✔")
return GeneratedReport(scan_id=properties.scan_id, path=destination, size=len(content))
def _destination(path: Path | None, name: str) -> Path:
"""Where the report goes, treating a directory as a place to put it rather than as the file."""
if path is None:
return DEFAULT_DIRECTORY / name
return path / name if path.is_dir() or not path.suffix else path