Source

BsonSql / BsonSql.Console / frmConsole2.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using BsonSql.Driver;
using MongoDB.Bson;
using MongoDB.Bson.Serialization;
using MongoDB.Bson.IO;

namespace BsonSql.Console
{
    public partial class frmConsole2 : Form
    {
        private BsonSqlServer _server;

        public frmConsole2()
        {
            InitializeComponent();

            cbDomain.SelectedIndexChanged += new EventHandler(cbDomain_SelectedIndexChanged);
            cbCollection.SelectedIndexChanged += new EventHandler(cbCollection_SelectedIndexChanged);
            dgvCollection.DataError += new DataGridViewDataErrorEventHandler(dgvCollection_DataError);
            dgvCollection.CellDoubleClick += new DataGridViewCellEventHandler(dgvCollection_CellDoubleClick);

        }

        void dgvCollection_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            DataGridViewRow row = dgvCollection.Rows[e.RowIndex];
            string id = row.Cells["_id"].Value.ToString();
            Guid selectedId = Guid.Parse(id);

        }

        void dgvCollection_DataError(object sender, DataGridViewDataErrorEventArgs e)
        {
            //throw new NotImplementedException();
        }


        private void button1_Click(object sender, EventArgs e)
        {
            txtResult.Text = string.Empty;

            if (btnConnect.Text == "connect")
            {
                if (txtServer.Text.Trim().Length == 0)
                {
                    MessageBox.Show("Enter a connection string first please");
                    return;
                }

                txtResult.Text = "connecting....";

                try
                {
                    _server = BsonSqlServer.Connect(txtServer.Text.Trim());
                    txtResult.Text = "connected";
                    btnConnect.Text = "disconnect";
                    OnServerConnected();
                }
                catch (System.Exception ex)
                {
                    txtResult.Text = ex.Message + Environment.NewLine + ex.StackTrace;
                }
            }
            else if (btnConnect.Text == "disconnect")
            {
                try
                {
                    _server = null;
                }
                finally
                {
                    btnConnect.Text = "connect";
                }
            }

        }

        private void OnServerConnected()
        {
            cbDomain.DataSource = null;
            cbCollection.DataSource = null;

            BsonDocument config = _server.GetActiveConfiguration();
            cbDomain.DisplayMember = "Name";
            BsonArray domains = (config.Contains("Domains")) ? config["Domains"].AsBsonArray : null;
            if (domains != null)
            {
                foreach (BsonDocument doc in domains)
                {
                    BsonDomain domain = new BsonDomain(doc);
                    cbDomain.Items.Add(domain);
                }
            }
        }

        void cbDomain_SelectedIndexChanged(object sender, EventArgs e)
        {
            cbCollection.DataSource = null;
            BsonDomain domain = cbDomain.SelectedItem as BsonDomain;
            if (domain != null)
            {
                cbCollection.DisplayMember = "Name";
                cbCollection.DataSource = domain.Collections;
            }
        }

        void cbCollection_SelectedIndexChanged(object sender, EventArgs e)
        {
            //setup datagridview 
            dgvCollection.ReadOnly = true;
            //dgvCollection.Rows.Clear();
            //dgvCollection.AutoGenerateColumns = false;
            //dgvCollection.Columns.Clear();
            dgvCollection.AllowUserToDeleteRows = false;
            dgvCollection.AllowUserToAddRows = false;
            dgvCollection.AllowDrop = false;
            dgvCollection.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

            BsonCollection collection = cbCollection.SelectedItem as BsonCollection;

            if (cbCollection.SelectedItem != null)
            {
                BsonSqlCollection bsqlCollection = GetBsonSqlCollection(collection);

                var query = Driver.Builders.QueryBuilder.Where(
                Driver.Builders.WhereClauseBuilder.CreateBound("SchemaVersion", Driver.Builders.Enums.Comparison.GreaterOrEquals));

                var bsqlCursor = bsqlCollection.FindAs<BsonDocument>(
                    query.Bind(new BsonDocument() 
                        { 
                            { "SchemaVersion", 0 }
                        }));

                DataSet ds = new DataSet(collection.Domain.Name);
                DataTable dt = new DataTable(collection.Name);
                foreach (string fieldName in collection.IndexedFields)
                {
                    DataColumn dc = new DataColumn(fieldName);
                    dt.Columns.Add(dc);

                }

                foreach (BsonDocument d in bsqlCursor)
                {
                    DataRow row = dt.NewRow();

                    foreach (string fieldName in collection.IndexedFields)
                    {
                        if (d.Contains(fieldName))
                        {
                            row[fieldName] = (fieldName == "_id") ? d[fieldName].AsGuid.ToString() : d[fieldName].ToString();
                        }
                        else
                        {
                            row[fieldName] = String.Empty;
                        }
                    }

                    dt.Rows.Add(row);
                }

                ds.Tables.Add(dt);

                dgvCollection.DataSource = dt;
                //dgvCollection.DataMember = ;
            }
        }

        private BsonSqlCollection GetBsonSqlCollection()
        {
            BsonSqlCollection bsqlCollection = null;
            BsonCollection collection = cbCollection.SelectedItem as BsonCollection;
            if (cbCollection.SelectedItem != null)
            {
                bsqlCollection = GetBsonSqlCollection(collection);
            }

            return bsqlCollection;
        }

        private BsonSqlCollection GetBsonSqlCollection(BsonCollection collection)
        {
            BsonSqlCollection bsqlCollection = null;
            if (collection != null)
            {
                bsqlCollection = _server.GetDomain(collection.Domain.Name).GetCollection(collection.Name);
            }
            return bsqlCollection;
        }

        private class BsonDomain
        {
            BsonDocument _doc;

            public BsonDocument BsonDocument { get { return _doc; } }

            public BsonDomain(BsonDocument domain)
            {
                _doc = domain;
            }

            public string Name
            {
                get { return (_doc.Contains("DomainId")) ? _doc["DomainId"].AsString : String.Empty; }
                set { _doc["DomainId"] = value; }
            }

            public List<BsonCollection> Collections
            {
                get
                {
                    List<BsonCollection> collections = new List<BsonCollection>();
                    if (_doc.Contains("Collections"))
                    {
                        BsonArray array = _doc["Collections"].AsBsonArray;
                        foreach (BsonDocument collection in array)
                        {
                            collections.Add(new BsonCollection(this, collection));
                        }
                    }

                    return collections;
                }
            }
        }

        private class BsonCollection
        {
            BsonDocument _doc;
            List<string> _indexedFields = new List<string>();
            public BsonDocument BsonDocument { get { return _doc; } }

            public BsonDomain Domain { get; set; }
            public BsonCollection(BsonDomain domain, BsonDocument collection)
            {
                Domain = domain;
                _doc = collection;
            }

            public string Name
            {
                get { return (_doc.Contains("CollectionName")) ? _doc["CollectionName"].AsString : String.Empty; }
                set { _doc["CollectionName"] = value; }
            }


            public List<string> IndexedFields
            {
                get
                {
                    if (_indexedFields.Count == 0)
                    {
                        _indexedFields.Add("_id");   //default indexed field/primary key

                        if (_doc.Contains("Indexes"))
                        {
                            BsonArray indexArray = _doc["Indexes"].AsBsonArray;
                            foreach (BsonDocument indexDef in indexArray)
                            {
                                if (indexDef.Contains("Keys"))
                                {
                                    BsonArray indexKeys = indexDef["Keys"].AsBsonArray;
                                    foreach (BsonDocument key in indexKeys)
                                    {
                                        if (key.Contains("FieldName"))
                                        {
                                            _indexedFields.Add(key["FieldName"].AsString);
                                        }
                                    }
                                }
                            }
                        }
                    }

                    return _indexedFields;
                }
            }
        }

        private void itemExecute_Click(object sender, EventArgs e)
        {
            ItemExecute();
        }

        private void ItemExecute()
        {
            //force clearing if response window before command execution
            txtResult.Text = string.Empty;
            this.Refresh();

            if (_server == null || _server.ActiveHost == null)
            {
                MessageBox.Show("not connected to a server yet");
                return;
            }

            //string request = txtData.Text.Trim();
            //if (request.Length == 0)
            //{
            //    MessageBox.Show("enter a request first");
            //    return;
            //}

            //validate collection selected
            BsonCollection collection = cbCollection.SelectedItem as BsonCollection;
            if (collection == null)
            {
                MessageBox.Show("Select a valid domain and collection");
                return;
            }

            string action = cbAction.SelectedValue as string;
            if (String.IsNullOrEmpty(action))
            {
                txtResult.Text = "Select a valid action";
                return;
            }

            try
            {
                //get bson sql collection
                BsonSqlCollection bsqlCollection = GetBsonSqlCollection();

                //BsonDocument doc = BsonSerializer.Deserialize(request, typeof(BsonDocument)) as BsonDocument;
                //if (!doc.Contains("action") || !doc["action"].IsString)
                //{
                //    txtResult.Text = "missing action property";
                //    return;
                //}

                ////string action = doc["action"].AsString;
                JsonWriterSettings writerSettings = new JsonWriterSettings();
                writerSettings.Indent = true;
                writerSettings.NewLineChars = Environment.NewLine;
                writerSettings.IndentChars = " ";

                //some actions will just spit stuff back
                switch (action)
                {
                    case "driver.showConfig":
                        txtResult.Text = CleanJson(_server.GetActiveConfiguration().ToJson(writerSettings));
                        return;
                    case "delete":
                    case "update":
                    case "lookup":
                    case "index.drop":
                        ProcessCollectionAction(bsqlCollection, action, writerSettings);
                        return;

                }

                //if (!doc.Contains("request") || !doc["request"].IsBsonDocument)
                //{
                //    txtResult.Text = "missing request property, or is not correct type";
                //    return;
                //}

                //bool updatedConfiguration;
                //BsonDocument docResponse = _server.SubmitRequest(doc["action"].AsString, doc["request"].AsBsonDocument, out updatedConfiguration);
                //if (updatedConfiguration)
                //    txtResult.Text = "*** updated config ***" + Environment.NewLine + Environment.NewLine;
                //txtResult.Text += CleanJson(docResponse.ToJson(writerSettings));
            }
            catch (System.Exception ex)
            {
                txtResult.Text = ex.Message + Environment.NewLine + ex.StackTrace;
            }
        }

        private void ProcessCollectionAction(BsonSqlCollection collection, string action, JsonWriterSettings writerSettings)
        {
            //BsonSqlCollection collection = _server.GetDomain(doc["domain"].AsString).GetCollection(doc["collection"].AsString);
            BsonDocument docResponse = null;

            switch (action)
            {
                case "lookup":
                    docResponse = collection.FindOneByIdAs<BsonDocument>(new Guid(txtId.Text));
                    break;
                case "update":
                    BsonDocument updateDoc = BsonDocument.Parse(txtData.Text);
                    collection.Upsert(updateDoc);
                    break;
                case "delete":
                    collection.RemoveById(new Guid(txtId.Text));
                    break;
                case "index.drop":
                    collection.DropIndex(txtId.Text);
                    break;
            }

            if (docResponse != null)
                txtResult.Text = CleanJson(docResponse.ToJson(writerSettings));
            else
                txtResult.Text = "*** no return value ***";
        }

        private static Regex _pattern = new Regex("BinData\\(3, \".*\"\\)");
        private string CleanJson(string json)
        {
            if (json == null)
                return null;

            MatchCollection match = _pattern.Matches(json);
            foreach (Match m in match)
            {
                string byteString = m.Value.Substring(m.Value.IndexOf("3,") + 4);
                byteString = byteString.Substring(0, byteString.Length - 2);
                Guid id = new Guid(Convert.FromBase64String(byteString));
                json = json.Replace(m.Value, "\"" + id.ToString() + "\"");
            }

            return json;
        }

        private void LoadItemTab(Guid id)
        {
            tabs.SelectedTab = tpItem;
            cbAction.SelectedItem = "lookup";
            txtId.Text = id.ToString();

        }
    }
}