Add /projects/list route

src/pylorax/api/projects.py

@@ -0,0 +1,94 @@
+#
+# Copyright (C) 2017  Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+import logging
+log = logging.getLogger("lorax-composer")
+
+
+def yaps_to_project(yaps):
+    """Extract the details from a YumAvailablePackageSqlite object"""
+    return {"name":         yaps.name,
+            "summary":      yaps.summary,
+            "description":  yaps.description,
+            "homepage":     yaps.url,
+            "upstream_vcs": "UPSTREAM_VCS"}
+
+
+def projects_list(yb):
+    """Return a list of projects
+
+    :param yb: yum base object
+    :type yb: YumBase
+    :returns: List of project information
+    :rtype: List of Dicts
+
+    name, summary, dfescription, homepage, upstream_vcs
+    """
+    ybl = yb.doPackageLists(pkgnarrow="available", showdups=False)
+    return sorted(map(yaps_to_project, ybl.available), key=lambda p: p["name"].lower())
+
+
+def projects_info(yb, project_name):
+    """Return details about a specific project
+
+    :param yb: yum base object
+    :type yb: YumBase
+    :param project_name: Name of the project to get info about
+    :type project_name: str
+    """
+    pass
+
+
+def projects_depsolve(yb, projects):
+    """Return the dependencies for a list of projects
+
+    :param yb: yum base object
+    :type yb: YumBase
+    :param projects: The projects to find the dependencies for
+    :type projects: List of Strings
+    :returns: ...
+    :rtype: ...
+    """
+    pass
+
+
+def modules_list(yb, offset, limit):
+    """Return a list of modules
+
+    :param yb: yum base object
+    :type yb: YumBase
+    :param offset: Number of modules to skip
+    :type limit: int
+    :param limit: Maximum number of modules to return
+    :type limit: int
+    :returns: List of module information and total count
+    :rtype: Tuple of a List of Dicts and an Int
+
+    Modules don't exist in RHEL7 so this only returns projects
+    and sets the type to "rpm"
+    """
+    pass
+
+
+def modules_info(yb, module_name):
+    """Return details about a module, including dependencies
+
+    :param yb: yum base object
+    :type yb: YumBase
+    :param module_name: Name of the module to get info about
+    :type module_name: str
+    """
+    pass

src/pylorax/api/v0.py

@@ -24,6 +24,7 @@ from pykickstart.parser import KickstartParser
 from pykickstart.version import makeVersion, RHEL7
 
 from pylorax.api.crossdomain import crossdomain
+from pylorax.api.projects import projects_list
 from pylorax.api.recipes import list_branch_files, read_recipe_commit, recipe_filename, list_commits
 from pylorax.api.recipes import recipe_from_dict, recipe_from_toml, commit_recipe, delete_recipe, revert_recipe
 from pylorax.api.recipes import tag_recipe_commit, recipe_diff
@@ -279,3 +280,19 @@ def v0_api(api):
 
         diff = recipe_diff(old_recipe, new_recipe)
         return jsonify(diff=diff)
+
+    @api.route("/api/v0/projects/list")
+    @crossdomain(origin="*")
+    def v0_projects_list():
+        """List all of the available projects/packages"""
+        try:
+            limit = int(request.args.get("limit", "20"))
+            offset = int(request.args.get("offset", "0"))
+        except ValueError as e:
+            return jsonify(error={"msg":str(e)}), 400
+
+        with api.config["YUMLOCK"].lock:
+            available = projects_list(api.config["YUMLOCK"].yb)
+        projects = take_limits(available, offset, limit)
+
+        return jsonify(projects=projects, offset=offset, limit=limit, total=len(available))