First basic validation

Validation on empty config that does nothing.

Author: zyzzyxdonta

src/hermes_plugin_software_card/curate.py

@@ -5,12 +5,58 @@
 
 """Module containing the Software CaRD curation plugin for HERMES."""
 
+import json
+from pathlib import Path
+
 from hermes.commands.curate.base import BaseCuratePlugin
+from software_card_policies.config import Config
+from software_card_policies.data_model import (
+    make_shacl_graph,
+    read_rdf_resource,
+    validate_graph,
+)
+from software_card_policies.report import create_report
 
 
 class SoftwareCaRDCuratePlugin(BaseCuratePlugin):
     """Software CaRD curation plugin."""
 
-    def is_publication_approved(self):
+    def __init__(self, command, ctx):
+        """Initialize the plugin."""
+        super().__init__(command, ctx)
+        self._data_graph = None
+        self._shacl_graph = None
+        self._conforms = False
+        self._validation_graph = None
+        self._report = None
+
+    def prepare(self):
+        """Prepare the validation.
+
+        The metadata given in the context is parsed as an RDF graph. The configuration
+        for the Software CaRD validation process is left empty.
+        """
+        text = json.dumps(self.ctx.get_data()["curate"])
+        self._data_graph = read_rdf_resource(format="json-ld", data=text)
+        self._shacl_graph = make_shacl_graph(Config.from_dict({"policies": {}}))
+
+    def validate(self):
+        """Run Software CaRD validation."""
+        conforms, validation_graph = validate_graph(self._data_graph, self._shacl_graph)
+        self._conforms = conforms
+        self._validation_graph = validation_graph
+
+    def create_report(self):
+        """Create basic text report."""
+        self._report = create_report(self._validation_graph)
+
+    def is_publication_approved(self) -> bool:
         """Decide whether the publication of the software is approved."""
-        return False
+        return self._conforms
+
+    def process_decision_positive(self):
+        """Write the given metadata into the curate directory."""
+        curate_output = Path(self.ctx.get_cache("curate", self.ctx.hermes_name))
+        Path.mkdir(curate_output.parent)
+        with open(curate_output, "w") as curate_output_fh:
+            json.dump(self.ctx.get_data(), curate_output_fh)