public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "categories")] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
CosmosGraphClient cosmosGraphClient = new CosmosGraphClient();
string cloud_id = req.Query["cloud_id"];
string projectStr = cosmosGraphClient.BuildProjectString(new List <string> {
"id", "label", "name"
});
string q;
if (cloud_id != null)
{
q = String.Format("g.V('{0}').in('source_cloud')", cloud_id);
}
else
{
q = "g.V().hasLabel('category')";
}
q += projectStr;
var records = cosmosGraphClient.Query(q);
return(new OkObjectResult(records));
}
public CosmosDBConfig()
{
_graphClient = new Lazy <ICosmosGraphClient>(
() =>
{
return(CosmosGraphClient.GetCosmosClient(Account, Database, Collection, AuthKey));
});
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "services/{service_id?}")] HttpRequest req,
string service_id,
ILogger log)
{
CosmosGraphClient cosmosGraphClient = new CosmosGraphClient();
string cloud_id = req.Query["cloud_id"];
string category_id = req.Query["category_id"];
string q;
string projectStr = cosmosGraphClient.BuildProjectString(new List <string> {
"id", "label", "name", "short_description", "long_description", "uri", "icon_uri"
});
if (service_id != null)
{
q = String.Format(@"g.V('{0}')
.project(
'id', 'label', 'name', 'shortDescription',
'longDescription', 'uri', 'iconUri', 'relatedServices'
).by('id').by('label').by('name').by('short_description')
.by('long_description').by('uri').by('icon_uri')
.by(coalesce(
out('related_service').project('id', 'name').by('id').by('name'),
constant([]))
)", service_id);
}
else if (category_id != null)
{
q = String.Format("g.V('{0}').in('belongs_to'){1}", category_id, projectStr);
}
else if (cloud_id != null)
{
var cloudIdRes = cosmosGraphClient.Query(String.Format("g.V('{0}').values('abbreviation')", cloud_id));
if (cloudIdRes.Count == 1)
{
q = String.Format("g.V().hasLabel('{0}_category').in('belongs_to'){1}", cloudIdRes[0], projectStr);
}
else
{
return(new BadRequestObjectResult(String.Format("Invalid cloud_id parameter. {0} does not exist", cloud_id)));
}
}
else
{
return(new BadRequestObjectResult("You must supply one of cloud_id, category_id or service_id"));
}
var records = cosmosGraphClient.Query(q);
return(new OkObjectResult(records));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", Route = "clouds")] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
string q = "g.V().hasLabel('cloud').project('id', 'name', 'abbreviation').by('id').by('name').by('abbreviation')";
CosmosGraphClient cosmosGraphClient = new CosmosGraphClient();
var records = cosmosGraphClient.Query(q);
return(new OkObjectResult(records));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "gremlin")] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
CosmosGraphClient cosmosGraphClient = new CosmosGraphClient();
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
dynamic data = JsonConvert.DeserializeObject(requestBody);
string query = data?.query;
ActionResult res;
if (query == null || query.Contains("drop") || query.Contains("add"))
{
res = new BadRequestObjectResult("Please pass a valid gremlin traversal query. Queries that add, update or delete vertices or edges are not allowed.");
}
else
{
var records = cosmosGraphClient.Query(query);
res = new OkObjectResult(records);
}
return(res);
}
