public static bool TryToInsertOrUpdateABson(BsonDocument bsomDocument, string collectionName, BsonDocument condition)
{
var mongodbBson = MongodbGetter.GetACollection(collectionName);
if (mongodbBson == null)
{
MongodbSaver.InsertOne(bsomDocument, collectionName);
return(true);
}
else if (!CheckBsonIsEqual(bsomDocument, mongodbBson))
{
MongodbUpdater.UpdateACollection(bsomDocument, collectionName, condition);
return(true);
}
else
{
return(false);
}
}
private static void GetMainPageInformation(BufferBlock <string> imageTargetBlock)
{
var doc = WebpageHelper.GetHttpRequestDocument(PROJECT_MAIN_PAGE);
var nodes = doc.DocumentNode.SelectNodes("//div[@class='x-wrap']/div[@class='title']/div");
if (nodes != null)
{
var bson = new BsonDocument();
foreach (var node in nodes)
{
switch (node.Attributes["class"].Value)
{
case "h30":
bson.Add("title", node.InnerText);
break;
case "p":
StringBuilder sb = new StringBuilder();
foreach (var contentNode in node.ChildNodes)
{
sb.Append(contentNode.InnerText);
}
bson.Add("content", sb.ToString());
break;
}
}
//非遗页面的数字
nodes = doc.DocumentNode.SelectNodes("//div/div[@class='num-item']");
if (nodes != null)
{
var bsonArray = new BsonArray();
foreach (var node in nodes)
{
var numBson = new BsonDocument();
foreach (var childNode in node.ChildNodes)
{
switch (childNode.Attributes["class"]?.Value)
{
case "b":
numBson.Add("num", childNode.Attributes["data-rn"].Value);
break;
case "h18":
numBson.Add("desc", childNode.InnerText);
break;
}
}
bsonArray.Add(numBson);
}
bson.Add("numItem", bsonArray);
}
//获取首页的非物质文化遗产地图
GetHeritageMapTableInformation(bson);
var mongodbBson = MongodbGetter.GetHeritageProjectMainPageDesc();
if (mongodbBson == null)
{
Console.WriteLine("Insert Heritage Project Content");
MongodbSaver.SaveHeritageProjectMainContent(bson);
}
else if (!CheckBsonIsEqual(bson, mongodbBson))
{
Console.WriteLine("Update Heritage Project Content");
MongodbUpdater.UpdateHeritageProjectMainContent(bson);
}
else
{
Console.WriteLine("Not Insert Heritage Project Content");
}
Console.WriteLine(bson);
}
}