TEAMModelOS/TEAMModelOS.SDK/Models/Service/Common/SyllabusService.cs

using Azure.Cosmos;
using DocumentFormat.OpenXml.Bibliography;
using DocumentFormat.OpenXml.Wordprocessing;
using HTEXLib.COMM.Helpers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.Models.Cosmos.Common;

namespace TEAMModelOS.SDK.Services
{
    public static class SyllabusService
    {

        /// <summary>
        /// 根据id查询列表串联id pid的新的关系列表
        /// </summary>
        /// <param name="nodes"></param>
        /// <param name="pid"></param>
        /// <param name="newNodes"></param>
        /// <returns></returns>
        public async static Task<HashSet<Tnode>> ImportSyllabus(List<List<string>> nodes,string volumeId,string scope ,string code , AzureCosmosFactory azureCosmos) { 
            List<Syllabus> syllabuses= new List<Syllabus>();
            string tbname = scope.Equals("school", StringComparison.OrdinalIgnoreCase) ? Constant.School : Constant.Teacher;
            await foreach (var item in azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, tbname).GetItemQueryIterator<Syllabus>(queryText: $"select value(c) from c where c.volumeId='{volumeId}'",
                        requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Syllabus-{code}") })) {
                syllabuses.Add(item);
            }
            
            foreach (var points in nodes) {
                int level = 0;
                Syllabus chapter = null;
                foreach (var point in points) {
                    string pt = Regex.Replace(point, "[ \\[ \\] \\^ \\-|（）【】/' {}_*×――(^)$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", " ");
                    if (level == 0)
                    {
                        var sylbs = syllabuses.SelectMany(z => z.children).Where(c => c.pid.Equals(volumeId) && c.title.Equals(Regex.Replace(point, "[ \\[ \\] \\^ \\-|（）【】/' {}_*×――(^)$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", " ")));
                        if (sylbs.Any())
                        {
                            chapter = syllabuses.Find(z=>z.id.Equals(sylbs.First().id));
                            if (chapter == null) { }
                        }
                    }
                    else { 
                    
                    }
                }
            }
            return null;
        }


        /// <summary>
        /// 根据id查询列表串联id pid的新的关系列表
        /// </summary>
        /// <param name="nodes"></param>
        /// <param name="pid"></param>
        /// <param name="newNodes"></param>
        /// <returns></returns>
        public static HashSet<Tnode> GetNewNode(List<Tnode> nodes, string pid, HashSet<Tnode> newNodes) {
            bool flag = false;
            string spid = "";
            foreach (var node in nodes) {
                if (node.pid == pid) {
                    newNodes.Add(node);
                    spid = node.id;
                    GetNewNode(nodes, spid, newNodes);
                    flag = true;
                }
            }
            return newNodes;
            //if (flag)
            //{
            //    return GetNewNode(nodes, spid, newNodes);
            //}
            //else {
            //    return newNodes;
            //}
        }


        public static List<Tnode> TreeToList(List<SyllabusTree> trees, List<Tnode> nodes,long now)
        {
            int index = 0;
            foreach (SyllabusTree tr in trees)
            {
                tr.order = index;
                index++;
            }
            trees = trees.OrderBy(x => x.order).ToList();
            List<Tnode> list = new List<Tnode>();
            //var list = trees.ToJsonString().ToObject<List<Tnode>>();
            trees.ForEach(x=> {
                List<string> cids = new List<string>();
                if (x.children.IsNotEmpty()) {
                    x.children.ForEach(y => cids.Add(y.id));
                }
                var node = new Tnode
                {
                    title = x.title,
                    id = x.id,
                    pid = x.pid,
                    order = x.order,
                    rnodes = x.rnodes,
                    cids= cids,
                    creatorId=x.creatorId,
                    creatorName=x.creatorName,
                    updateTime= now
                };
                list.Add(node);
            });
            nodes.AddRange(list);

            foreach (SyllabusTree tree in trees)
            {
                if (null != tree.children && tree.children.Count > 0)
                {
                    TreeToList(tree.children, nodes,now);
                }
            }
            return nodes;
        }
        public static List<SyllabusTree> ListToTree(List<Tnode> noes)
        {
            List<SyllabusTree> list = noes.ToJsonString().ToObject<List<SyllabusTree>>();
            //var lookup = list.ToDictionary(n => n.RowKey, n => n);

            var res = from r in list group r by r.id into g select g;
            Dictionary<string, SyllabusTree> blockDict = new Dictionary<string, SyllabusTree>();
            foreach (var s in res)
            {
                blockDict.TryAdd(s.First().id, s.First());
            }
            return GetChild(list, blockDict);
        }


        private static List<SyllabusTree> GetChild(List<SyllabusTree> list, Dictionary<string, SyllabusTree> dict)
        {
            //  list = list.OrderBy(m => m.Order).ToList();
            List<SyllabusTree> trees = new List<SyllabusTree>();
            trees = trees.OrderBy(x => x.order).ToList();
            foreach (SyllabusTree node in list)
            {
                bool flag = dict.TryGetValue(node.pid, out SyllabusTree syllabus);
                if (flag && syllabus != null)
                {
                    syllabus.children.Add(node);
                }
                else
                {
                    trees.Add(node);
                }
            }
            return trees;
        }


        #region 开放平台使用



        public static List<OSyllabusTree> OListToTree(List<OTnode> noes)
        {
            List<OSyllabusTree> list = noes.ToJsonString().ToObject<List<OSyllabusTree>>();
            //var lookup = list.ToDictionary(n => n.RowKey, n => n);

            var res = from r in list group r by r.id into g select g;
            Dictionary<string, OSyllabusTree> blockDict = new Dictionary<string, OSyllabusTree>();
            foreach (var s in res)
            {
                blockDict.TryAdd(s.First().id, s.First());
            }
            return GetChildO(list, blockDict);
        }

        private static List<OSyllabusTree> GetChildO(List<OSyllabusTree> list, Dictionary<string, OSyllabusTree> dict)
        {
            //  list = list.OrderBy(m => m.Order).ToList();
            List<OSyllabusTree> trees = new List<OSyllabusTree>();
            trees = trees.OrderBy(x => x.order).ToList();
            foreach (OSyllabusTree node in list)
            {
                bool flag = dict.TryGetValue(node.pid, out OSyllabusTree syllabus);
                if (flag && syllabus != null)
                {
                    syllabus.children.Add(node);
                }
                else
                {
                    trees.Add(node);
                }
            }
            return trees;
        }
        #endregion
    }
}