public FeatureModule(IQuery queries, IAttributeValidator validator, ISoeService soeService)
: base("/project/{id:int}")
{
Get["/feature/{featureId:int}", true] = async (_, ctx) =>
{
var model = this.Bind<SpecificFeatureRequest>();
// make sure feature type is valid
if (model.FeatureCategory == null || !FeatureCategoryToTable.Contains(model.FeatureCategory.ToLower()))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
IEnumerable<RelatedDetails> records;
var db = await queries.OpenConnection();
using (var connection = db.Connection)
{
if (!db.Open)
{
return Negotiate.WithReasonPhrase("Database Error")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Unable to connect to the database.");
}
// get the database table to use
var table = FeatureCategoryToTable.GetTableFrom(model.FeatureCategory);
records = await queries.RelatedDataQueryAsync(connection, new
{
table,
model.FeatureId
});
}
var response = new SpatialFeatureResponse
{
County = records.Where(x => x.Origin == "county"),
FocusArea = records.Where(x => x.Origin == "focus"),
SageGrouse = records.Where(x => x.Origin == "sgma"),
LandOwnership = records.Where(x => x.Origin == "owner"),
Nhd = records.Where(x => x.Origin == "nhd")
};
return response;
};
Post["/feature/create", true] = async (_, ctx) =>
{
var id = int.Parse(_.id);
var model = this.Bind<SaveFeatureRequest>();
// make sure we have all the user information.
if (string.IsNullOrEmpty(model.Token) || string.IsNullOrEmpty(model.Key))
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// make sure we have most of the attributes.
if (new[] {model.Category, model.Geometry}.Any(string.IsNullOrEmpty))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Missing required parameters. Category, geometry, or actions.");
}
// make sure feature type is valid
if (!FeatureCategoryToTable.Contains(model.Category))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
// get the database table to use
var table = FeatureCategoryToTable.GetTableFrom(model.Category);
var ten = TimeSpan.FromSeconds(600);
var db = await queries.OpenConnection();
using (
var transaction = new TransactionScope(TransactionScopeOption.RequiresNew, ten,
TransactionScopeAsyncFlowOption.Enabled))
using (var connection = db.Connection)
{
if (!db.Open)
{
return Negotiate.WithReasonPhrase("Database Error")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Unable to connect to the database.");
}
var projects = await queries.ProjectMinimalQueryAsync(connection, new {id});
var project = projects.FirstOrDefault();
// make sure project id is valid
if (project == null)
{
return Negotiate.WithReasonPhrase("Project not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Project not found.");
}
var users = await queries.UserQueryAsync(connection, new {key = model.Key, token = model.Token});
var user = users.FirstOrDefault();
// make sure user is valid
if (user == null)
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// cancelled and completed projects cannot be edited
if (new[] {"Cancelled", "Completed"}.Contains(project.Status) && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project Status")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel("A cancelled or completed project cannot be modified.");
}
// anonymous and public users cannot create features
if (new[] {"GROUP_ANONYMOUS", "GROUP_PUBLIC"}.Contains(user.Role))
{
return Negotiate.WithReasonPhrase("Role")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel("Project manager and contributors are only allowed to modify this project.");
}
// if project has features no or null, block feature creation
if (project.Features == "No" && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project settings")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel(
"Project is marked to have no features. Therefore, features are not allowed to be created.");
}
// check if a user is a contributor
if (project.ProjectManagerId != user.Id && user.Role != "GROUP_ADMIN")
{
var counts = await queries.ContributorQueryAsync(connection, new {id, userId = user.Id});
var count = counts.FirstOrDefault();
if (count == 0)
{
return Negotiate.WithReasonPhrase("Not contributor")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel(
"You are not the project owner or a contributer. Therefore, you are not allowed to modify this project.");
}
}
SqlGeometry geometry;
try
{
geometry = SqlGeometry.Parse(model.Geometry);
geometry.STSrid = 3857;
geometry = geometry.MakeValid();
}
catch (Exception ex)
{
return Negotiate.WithReasonPhrase("Invalid geometry")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel(ex.Message);
}
// check if polygons overlap
if (table == "POLY")
{
var counts = await queries.OverlapQueryAsync(connection, new
{
id,
wkt = geometry,
category = model.Category,
featureId = -1
});
var count = counts.FirstOrDefault();
if (count.HasValue && count.Value > 0)
{
return Negotiate.WithReasonPhrase("Overlapping geometry")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Overlapping features of the same type are not allowed. " +
"Add more actions to the existing feature.");
}
}
var soeAreaAndLengthResponse = await soeService.QueryAreasAndLengthsAsync(geometry);
// handle error from soe
if (!soeAreaAndLengthResponse.IsSuccessful)
{
return Negotiate.WithReasonPhrase(soeAreaAndLengthResponse.Error.Message)
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel(soeAreaAndLengthResponse.Error.Message);
}
var soeIntersectResponse = await soeService.QueryIntersectionsAsync(geometry, model.Category);
// handle error from soe
if (!soeIntersectResponse.IsSuccessful)
{
return Negotiate.WithReasonPhrase(soeIntersectResponse.Error.Message)
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel(soeIntersectResponse.Error.Message);
}
int? primaryKey = null;
FeatureActions[] actions;
try
{
actions = JsonConvert.DeserializeObject<FeatureActions[]>(model.Actions);
}
catch (Exception ex)
{
return Negotiate.WithReasonPhrase("Feature Actions")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("There was a problem deserializing the feature actions. " + ex.Message);
}
if (!validator.ValidAttributesFor(table, model.Category, actions))
{
return Negotiate.WithReasonPhrase("Feature Actions")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("The actions are not valid for the feature type.");
}
switch (table.ToLower())
{
case "poly":
var primaryKeys = await queries.FeatureClassQueryAsync(connection, table, new
{
featureType = model.Category,
retreatment = model.Retreatment,
shape = geometry,
size = soeAreaAndLengthResponse.Result.Size,
id
});
primaryKey = primaryKeys.FirstOrDefault();
if (!primaryKey.HasValue)
{
return Negotiate.WithReasonPhrase("Database")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Problem getting primary key from poly insert.");
}
if (actions == null)
{
break;
}
var actionsResult = await Create.Actions(connection, queries, primaryKey.Value, actions, table);
if (!actionsResult.Successful)
{
return Negotiate.WithReasonPhrase("Database")
.WithStatusCode(actionsResult.Status)
.WithModel(actionsResult.Message);
}
break;
case "point":
case "line":
var action = actions.FirstOrDefault();
if (action == null)
{
return Negotiate.WithStatusCode(HttpStatusCode.InternalServerError)
.WithReasonPhrase("Action")
.WithModel("Could not find action attributes.");
}
var size = soeAreaAndLengthResponse.Result.Size > 0 ? soeAreaAndLengthResponse.Result.Size : (double?)null;
primaryKeys = await queries.FeatureClassQueryAsync(connection, table, new
{
featureType = model.Category,
subType = action.Type,
action = action.Action,
description = action.Description,
size,
id,
shape = geometry
});
primaryKey = primaryKeys.FirstOrDefault();
if (!primaryKey.HasValue)
{
return Negotiate.WithReasonPhrase("Database")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Problem getting primary key from point or line.");
}
break;
}
await Create.ExtractedGis(connection, queries, id, primaryKey.Value, soeIntersectResponse.Result.Attributes, table);
await Update.ProjectStats(connection, queries, id);
transaction.Complete();
switch (table.ToLower())
{
case "poly":
return
Negotiate.WithModel(string.Format("Successfully created a new {0} covering {1}.",
model.Category,
soeAreaAndLengthResponse.Result.Size.InAcres()))
.WithHeader("FeatureId", primaryKey.ToString());
case "line":
return
Negotiate.WithModel(string.Format("Successfully created a new {0} stretching {1}.",
model.Category,
soeAreaAndLengthResponse.Result.Size.InFeet()))
.WithHeader("FeatureId", primaryKey.ToString());
}
var pointCount = geometry.STNumPoints().Value;
return Negotiate.WithModel(string.Format("Successfully created a new {0} in {1} location{2}.", model.Category, pointCount, pointCount > 1 ? "s" : ""))
.WithHeader("FeatureId", primaryKey.ToString());
}
};
Put["/feature/{featureId:int}", true] = async (_, ctx) =>
{
var model = this.Bind<EditSpecificFeatureRequest>();
// make sure feature type is valid
if (model.Category == null || !FeatureCategoryToTable.Contains(model.Category.ToLower()))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
// make sure we have all the user information.
if (string.IsNullOrEmpty(model.Token) || string.IsNullOrEmpty(model.Key))
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// make sure feature type is valid
if (!FeatureCategoryToTable.Contains(model.Category))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
// get the database table to use
var table = FeatureCategoryToTable.GetTableFrom(model.Category);
var ten = TimeSpan.FromSeconds(600);
var db = await queries.OpenConnection();
using (
var transaction = new TransactionScope(TransactionScopeOption.RequiresNew, ten,
TransactionScopeAsyncFlowOption.Enabled))
using (var connection = db.Connection)
{
if (!db.Open)
{
return Negotiate.WithReasonPhrase("Database Error")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Unable to connect to the database.");
}
var projects = await queries.ProjectMinimalQueryAsync(connection, new {model.Id});
var project = projects.FirstOrDefault();
// make sure project id is valid
if (project == null)
{
return Negotiate.WithReasonPhrase("Project not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Project not found.");
}
var users = await queries.UserQueryAsync(connection, new {key = model.Key, token = model.Token});
var user = users.FirstOrDefault();
// make sure user is valid
if (user == null)
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// cancelled and completed projects cannot be edited
if (new[] {"Cancelled", "Completed"}.Contains(project.Status) && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project Status")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel("A cancelled or completed project cannot be modified.");
}
// anonymous and public users cannot create features
if (new[] {"GROUP_ANONYMOUS", "GROUP_PUBLIC"}.Contains(user.Role))
{
return Negotiate.WithReasonPhrase("Role")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel("Project manager and contributors are only allowed to modify this project.");
}
// if project has features no or null, block feature creation
if (project.Features == "No" && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project settings")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel(
"Project is marked to have no features. Therefore, features are not allowed to be created.");
}
// check if a user is a contributor
if (project.ProjectManagerId != user.Id && user.Role != "GROUP_ADMIN")
{
var counts = await queries.ContributorQueryAsync(connection, new {model.Id, userId = user.Id});
var count = counts.FirstOrDefault();
if (count == 0)
{
return Negotiate.WithReasonPhrase("Not contributor")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel(
"You are not the project owner or a contributer. Therefore, you are not allowed to modify this project.");
}
}
SqlGeometry geometry;
try
{
geometry = SqlGeometry.Parse(model.Geometry);
geometry.STSrid = 3857;
geometry = geometry.MakeValid();
}
catch (Exception ex)
{
return Negotiate.WithReasonPhrase("Invalid geometry")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel(ex.Message);
}
// check if polygons overlap
if (table == "POLY")
{
var counts = await queries.OverlapQueryAsync(connection, new
{
model.Id,
wkt = geometry,
category = model.Category,
featureId = model.FeatureId
});
var count = counts.FirstOrDefault();
if (count.HasValue && count.Value > 0)
{
return Negotiate.WithReasonPhrase("Overlapping geometry")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel(
"Overlapping features of the same type are not allowed. Add more actions to the existing feature.");
}
}
var soeAreaAndLengthResponse = await soeService.QueryAreasAndLengthsAsync(geometry);
// handle error from soe
if (!soeAreaAndLengthResponse.IsSuccessful)
{
return Negotiate.WithReasonPhrase(soeAreaAndLengthResponse.Error.Message)
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel(soeAreaAndLengthResponse.Error.Message);
}
var soeResponse = await soeService.QueryIntersectionsAsync(geometry, model.Category);
// handle error from soe
if (!soeResponse.IsSuccessful)
{
return Negotiate.WithReasonPhrase(soeResponse.Error.Message)
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel(soeResponse.Error.Message);
}
FeatureActions[] actions;
try
{
actions = JsonConvert.DeserializeObject<FeatureActions[]>(model.Actions);
}
catch (Exception ex)
{
return Negotiate.WithReasonPhrase("Feature Actions")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("There was a problem deserializing the feature actions. " + ex.Message);
}
if (!validator.ValidAttributesFor(table, model.Category, actions))
{
return Negotiate.WithReasonPhrase("Feature Actions")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("The actions are not valid for the feature type.");
}
if (table == "POLY")
{
await Actions.Delete.Actions(connection, model.FeatureId);
var actionsResult = await Create.Actions(connection, queries, model.FeatureId, actions, table);
if (!actionsResult.Successful)
{
return Negotiate.WithReasonPhrase("Database")
.WithStatusCode(actionsResult.Status)
.WithModel(actionsResult.Message);
}
}
var spatialResult = await Update.SpatialRow(connection, queries, model.FeatureId, actions, model.Retreatment, geometry, table, soeAreaAndLengthResponse.Result.Size);
if (!spatialResult.Successful)
{
return Negotiate.WithReasonPhrase("Database")
.WithStatusCode(spatialResult.Status)
.WithModel(spatialResult.Message);
}
await Actions.Delete.ExtractedGis(connection, model.FeatureId, table);
await Create.ExtractedGis(connection, queries, model.Id, model.FeatureId, soeResponse.Result.Attributes, table);
await Update.ProjectStats(connection, queries, model.Id);
transaction.Complete();
}
return Negotiate.WithStatusCode(HttpStatusCode.NoContent);
};
Delete["/feature/{featureId:int}", true] = async (_, ctx) =>
{
var model = this.Bind<SpecificFeatureRequest>();
// make sure feature type is valid
if (model.FeatureCategory == null || !FeatureCategoryToTable.Contains(model.FeatureCategory.ToLower()))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
// make sure we have all the user information.
if (string.IsNullOrEmpty(model.Token) || string.IsNullOrEmpty(model.Key))
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// make sure feature type is valid
if (!FeatureCategoryToTable.Contains(model.FeatureCategory))
{
return Negotiate.WithReasonPhrase("Incomplete request")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Category not found.");
}
// get the database table to use
var table = FeatureCategoryToTable.GetTableFrom(model.FeatureCategory);
var db = await queries.OpenConnection();
using (var transaction = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
using (var connection = db.Connection)
{
if (!db.Open)
{
return Negotiate.WithReasonPhrase("Database Error")
.WithStatusCode(HttpStatusCode.InternalServerError)
.WithModel("Unable to connect to the database.");
}
var projects = await queries.ProjectMinimalQueryAsync(connection, new {model.Id});
var project = projects.FirstOrDefault();
// make sure project id is valid
if (project == null)
{
return Negotiate.WithReasonPhrase("Project not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("Project not found.");
}
var users = await queries.UserQueryAsync(connection, new {key = model.Key, token = model.Token});
var user = users.FirstOrDefault();
// make sure user is valid
if (user == null)
{
return Negotiate.WithReasonPhrase("User not found")
.WithStatusCode(HttpStatusCode.BadRequest)
.WithModel("User not found.");
}
// cancelled and completed projects cannot be edited
if (new[] {"Cancelled", "Completed"}.Contains(project.Status) && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project Status")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel("A cancelled or completed project cannot be modified.");
}
// anonymous and public users cannot create features
if (new[] {"GROUP_ANONYMOUS", "GROUP_PUBLIC"}.Contains(user.Role))
{
return Negotiate.WithReasonPhrase("Role")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel("Project manager and contributors are only allowed to modify this project.");
}
// if project has features no or null, block feature creation
if (project.Features == "No" && user.Role != "GROUP_ADMIN")
{
return Negotiate.WithReasonPhrase("Project settings")
.WithStatusCode(HttpStatusCode.PreconditionFailed)
.WithModel(
"Project is marked to have no features. Therefore, features are not allowed to be created.");
}
// check if a user is a contributor
if (project.ProjectManagerId != user.Id && user.Role != "GROUP_ADMIN")
{
var counts = await queries.ContributorQueryAsync(connection, new {model.Id, userId = user.Id});
var count = counts.FirstOrDefault();
if (count == 0)
{
return Negotiate.WithReasonPhrase("Not contributor")
.WithStatusCode(HttpStatusCode.Unauthorized)
.WithModel(
"You are not the project owner or a contributer. Therefore, you are not allowed to modify this project.");
}
}
if (table == "POLY")
{
await Actions.Delete.Actions(connection, model.FeatureId);
}
await Actions.Delete.ExtractedGis(connection, model.FeatureId, table);
await Actions.Delete.SpatialFeature(connection, model.FeatureId, model.FeatureCategory, table);
await Update.ProjectStats(connection, queries, model.Id);
transaction.Complete();
}
return Negotiate.WithStatusCode(HttpStatusCode.Accepted);
};
}