got rid of proposal-column references

app/Models/Proposal.php

@@ -18,29 +18,6 @@ class Proposal extends Model
     use Reportable;
     use NotificationContext;
 
-    protected static function boot()
-    {
-        parent::boot();
-
-        static::deleting(function(Proposal $self) {
-            // update refcounts
-            $self->addedRows()->decrement('refs');
-            $self->removedRows()->decrement('refs');
-        });
-    }
-
-    /** Added rows */
-    public function addedRows()
-    {
-        return $this->belongsToMany(Row::class, 'proposal_add_row_pivot');
-    }
-
-    /** Removed rows */
-    public function removedRows()
-    {
-        return $this->belongsToMany(Row::class, 'proposal_remove_row_pivot');
-    }
-
     /** Authoring user */
     public function author()
     {

database/migrations/2018_07_08_193600_create_revisions_table.php

@@ -19,8 +19,8 @@ class CreateRevisionsTable extends Migration
             $table->unsignedInteger('refs'); // used for reference counting
             $table->unsignedInteger('ancestor_id')->index()->nullable(); // parent revision
 
-            // a column that can be used as the primary key for a table; possibly a composite column if using a comma
-            $table->string('index_column')->nullable();
+            // a column that can be used as the primary key for a table; possibly a composite column, if using a comma
+            $table->string('index_column');
 
             // author's note describing what has been changed
             $table->text('note');

database/migrations/2018_07_08_194000_create_proposals_table.php

@@ -25,6 +25,8 @@ class CreateProposalsTable extends Migration
 
             $table->text('note');
 
+            $table->jsonb('changes'); // the actual meat of the changeset is stored here
+
             // block the delete - we must first decrement Row refs and then the proposals manually
             $table->foreign('revision_id')->references('id')->on('revisions')
                 ->onDelete('restrict');

database/migrations/2018_07_08_194100_create_proposal_remove_row_pivot_table.php

@@ -1,37 +0,0 @@
-<?php
-
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Database\Migrations\Migration;
-
-class CreateProposalRemoveRowPivotTable extends Migration
-{
-    /**
-     * Run the migrations.
-     *
-     * @return void
-     */
-    public function up()
-    {
-        Schema::create('proposal_remove_row_pivot', function (Blueprint $table) {
-            $table->unsignedInteger('proposal_id')->index();
-            $table->unsignedInteger('row_id')->index();
-
-            $table->foreign('proposal_id')->references('id')->on('proposals')
-                ->onDelete('cascade');
-
-            $table->foreign('row_id')->references('id')->on('rows')
-                ->onDelete('cascade');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     *
-     * @return void
-     */
-    public function down()
-    {
-        Schema::dropIfExists('proposal_remove_row_pivot');
-    }
-}

database/migrations/2018_07_08_194110_create_proposal_add_row_pivot_table.php

@@ -1,37 +0,0 @@
-<?php
-
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Database\Migrations\Migration;
-
-class CreateProposalAddRowPivotTable extends Migration
-{
-    /**
-     * Run the migrations.
-     *
-     * @return void
-     */
-    public function up()
-    {
-        Schema::create('proposal_add_row_pivot', function (Blueprint $table) {
-            $table->unsignedInteger('proposal_id')->index();
-            $table->unsignedInteger('row_id')->index();
-
-            $table->foreign('proposal_id')->references('id')->on('proposals')
-                ->onDelete('cascade');
-
-            $table->foreign('row_id')->references('id')->on('rows')
-                ->onDelete('cascade');
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     *
-     * @return void
-     */
-    public function down()
-    {
-        Schema::dropIfExists('proposal_add_row_pivot');
-    }
-}